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131314444444 = 2289368860799
BaseRepresentation
bin111101001001011110…
…0110110100010011100
3110112221112021221102101
41322102330312202130
54122412444210234
6140154112134444
712326044234621
oct1722274664234
9415845257371
10131314444444
1150765642757
1221548b37424
13c4c92c9301
1464d9caa348
153638458814
hex1e92f3689c

131314444444 has 12 divisors (see below), whose sum is σ = 232382304000. Its totient is φ = 64919500448.

The previous prime is 131314444379. The next prime is 131314444487. The reversal of 131314444444 is 444444413131.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 184430044 + ... + 184430755.

It is an arithmetic number, because the mean of its divisors is an integer number (19365192000).

Almost surely, 2131314444444 is an apocalyptic number.

It is an amenable number.

131314444444 is a deficient number, since it is larger than the sum of its proper divisors (101067859556).

131314444444 is a wasteful number, since it uses less digits than its factorization.

131314444444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 368860892 (or 368860890 counting only the distinct ones).

The product of its digits is 147456, while the sum is 37.

Adding to 131314444444 its reverse (444444413131), we get a palindrome (575758857575).

The spelling of 131314444444 in words is "one hundred thirty-one billion, three hundred fourteen million, four hundred forty-four thousand, four hundred forty-four".

Divisors: 1 2 4 89 178 356 368860799 737721598 1475443196 32828611111 65657222222 131314444444