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131230014020232 = 23324164135395403
BaseRepresentation
bin11101110101101001011110…
…010111101001101010001000
3122012122110121022101121021020
4131311221132113221222020
5114200033032042121412
61143034123003112440
736433025040315621
oct3565513627515210
9565573538347236
10131230014020232
11388a5377833a16
121287530a212720
13582bc2510367a
1424597d0940a48
1510288d922c18c
hex775a5e5e9a88

131230014020232 has 64 divisors (see below), whose sum is σ = 329950292823360. Its totient is φ = 43493869977600.

The previous prime is 131230014020177. The next prime is 131230014020239. The reversal of 131230014020232 is 232020410032131.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (131230014020239) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13990158 + ... + 21405245.

It is an arithmetic number, because the mean of its divisors is an integer number (5155473325365).

Almost surely, 2131230014020232 is an apocalyptic number.

131230014020232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

131230014020232 is an abundant number, since it is smaller than the sum of its proper divisors (198720278803128).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

131230014020232 is a wasteful number, since it uses less digits than its factorization.

131230014020232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35396294 (or 35396290 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 131230014020232 its reverse (232020410032131), we get a palindrome (363250424052363).

The spelling of 131230014020232 in words is "one hundred thirty-one trillion, two hundred thirty billion, fourteen million, twenty thousand, two hundred thirty-two".

Divisors: 1 2 3 4 6 8 12 24 241 482 641 723 964 1282 1446 1923 1928 2564 2892 3846 5128 5784 7692 15384 154481 308962 463443 617924 926886 1235848 1853772 3707544 35395403 70790806 106186209 141581612 212372418 283163224 424744836 849489672 8530292123 17060584246 22688453323 25590876369 34121168492 45376906646 51181752738 68065359969 68242336984 90753813292 102363505476 136130719938 181507626584 204727010952 272261439876 544522879752 5467917250843 10935834501686 16403751752529 21871669003372 32807503505058 43743338006744 65615007010116 131230014020232