31241440304432 has 20 divisors (see below), whose sum is σ = 60533921544600. Its totient is φ = 15619783131648.

The previous prime is 31241440304317. The next prime is 31241440304521. The reversal of 31241440304432 is 23440304414213.

It is a junction number, because it is equal to n+sod(n) for n = 31241440304392 and 31241440304401.

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, 58288682 + ... + 58822217.

It is an arithmetic number, because the mean of its divisors is an integer number (3026696077230).

Almost surely, 2^{31241440304432} is an apocalyptic number.

It is an amenable number.

31241440304432 is a deficient number, since it is larger than the sum of its proper divisors (29292481240168).

31241440304432 is a wasteful number, since it uses less digits than its factorization.

31241440304432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117127580 (or 117127574 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 35.

Adding to 31241440304432 its reverse (23440304414213), we get a palindrome (54681744718645).

The spelling of 31241440304432 in words is "thirty-one trillion, two hundred forty-one billion, four hundred forty million, three hundred four thousand, four hundred thirty-two".