131516435352 has 16 divisors (see below), whose sum is σ = 328791088440. Its totient is φ = 43838811776.

The previous prime is 131516435329. The next prime is 131516435353. The reversal of 131516435352 is 253534615131.

It is a self number, because there is not a number n which added to its sum of digits gives 131516435352.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131516435353) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2739925713 + ... + 2739925760.

Almost surely, 2^131516435352 is an apocalyptic number.

131516435352 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

131516435352 is an abundant number, since it is smaller than the sum of its proper divisors (197274653088).

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

131516435352 is a wasteful number, since it uses less digits than its factorization.

131516435352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5479851482 (or 5479851478 counting only the distinct ones).

The product of its digits is 162000, while the sum is 39.

The spelling of 131516435352 in words is "one hundred thirty-one billion, five hundred sixteen million, four hundred thirty-five thousand, three hundred fifty-two".