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131431102014444 = 22332593360721643
BaseRepresentation
bin11101111000100100110000…
…001001011110001111101100
3122020100200122110221010020120
4131320210300021132033230
5114211331344103430234
61143310340440444540
736453404142133461
oct3570446011361754
9566320573833216
10131431102014444
113897268775a291
12128a828a179750
135844b9095b9ab
142465429317668
15102dc57e65049
hex77893025e3ec

131431102014444 has 24 divisors (see below), whose sum is σ = 306766671664320. Its totient is φ = 43796924438544.

The previous prime is 131431102014427. The next prime is 131431102014517. The reversal of 131431102014444 is 444410201134131.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1680321714 + ... + 1680399929.

It is an arithmetic number, because the mean of its divisors is an integer number (12781944652680).

Almost surely, 2131431102014444 is an apocalyptic number.

It is an amenable number.

131431102014444 is an abundant number, since it is smaller than the sum of its proper divisors (175335569649876).

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

131431102014444 is a wasteful number, since it uses less digits than its factorization.

131431102014444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3360724909 (or 3360724907 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 33.

Adding to 131431102014444 its reverse (444410201134131), we get a palindrome (575841303148575).

The spelling of 131431102014444 in words is "one hundred thirty-one trillion, four hundred thirty-one billion, one hundred two million, fourteen thousand, four hundred forty-four".

Divisors: 1 2 3 4 6 12 3259 6518 9777 13036 19554 39108 3360721643 6721443286 10082164929 13442886572 20164329858 40328659716 10952591834537 21905183669074 32857775503611 43810367338148 65715551007222 131431102014444