131345022144504 has 64 divisors (see below), whose sum is σ = 375272681091840. Its totient is φ = 37527030259200.

The previous prime is 131345022144461. The next prime is 131345022144533. The reversal of 131345022144504 is 405441220543131.

It is a super-2 number, since 2×131345022144504² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 61300479 + ... + 63406929.

It is an arithmetic number, because the mean of its divisors is an integer number (5863635642060).

Almost surely, 2^{131345022144504} is an apocalyptic number.

131345022144504 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

131345022144504 is an abundant number, since it is smaller than the sum of its proper divisors (243927658947336).

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

131345022144504 is a wasteful number, since it uses less digits than its factorization.

131345022144504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2477620 (or 2477616 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 39.

Adding to 131345022144504 its reverse (405441220543131), we get a palindrome (536786242687635).

The spelling of 131345022144504 in words is "one hundred thirty-one trillion, three hundred forty-five billion, twenty-two million, one hundred forty-four thousand, five hundred four".