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131330331222 = 2346746870211
BaseRepresentation
bin111101001001111100…
…1011101001001010110
3110112222122012001222120
41322103321131021112
54122431031044342
6140155440440410
712326326253016
oct1722371351126
9415878161876
10131330331222
1150773603722
1221552319106
13c4cc69c47c
1464dc043c46
153639a45aec
hex1e93e5d256

131330331222 has 16 divisors (see below), whose sum is σ = 263223110592. Its totient is φ = 43683035720.

The previous prime is 131330331173. The next prime is 131330331229. The reversal of 131330331222 is 222133033131.

It is a junction number, because it is equal to n+sod(n) for n = 131330331192 and 131330331201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131330331229) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23432304 + ... + 23437907.

It is an arithmetic number, because the mean of its divisors is an integer number (16451444412).

Almost surely, 2131330331222 is an apocalyptic number.

131330331222 is an abundant number, since it is smaller than the sum of its proper divisors (131892779370).

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

131330331222 is a wasteful number, since it uses less digits than its factorization.

131330331222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46870683.

The product of its (nonzero) digits is 1944, while the sum is 24.

Adding to 131330331222 its reverse (222133033131), we get a palindrome (353463364353).

The spelling of 131330331222 in words is "one hundred thirty-one billion, three hundred thirty million, three hundred thirty-one thousand, two hundred twenty-two".

Divisors: 1 2 3 6 467 934 1401 2802 46870211 93740422 140610633 281221266 21888388537 43776777074 65665165611 131330331222