131213402445424 has 20 divisors (see below), whose sum is σ = 273781810872136. Its totient is φ = 60560031897792.

The previous prime is 131213402445361. The next prime is 131213402445449. The reversal of 131213402445424 is 424544204312131.

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, 315416832594 + ... + 315416833009.

Almost surely, 2^{131213402445424} is an apocalyptic number.

It is an amenable number.

131213402445424 is an abundant number, since it is smaller than the sum of its proper divisors (142568408426712).

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

131213402445424 is a wasteful number, since it uses less digits than its factorization.

131213402445424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 630833665624 (or 630833665618 counting only the distinct ones).

The product of its (nonzero) digits is 368640, while the sum is 40.

Adding to 131213402445424 its reverse (424544204312131), we get a palindrome (555757606757555).

The spelling of 131213402445424 in words is "one hundred thirty-one trillion, two hundred thirteen billion, four hundred two million, four hundred forty-five thousand, four hundred twenty-four".