31021411442 has 32 divisors (see below), whose sum is σ = 53529465600. Its totient is φ = 13207703040.

The previous prime is 31021411429. The next prime is 31021411471. The reversal of 31021411442 is 24411412013.

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, 1314059 + ... + 1337457.

It is an arithmetic number, because the mean of its divisors is an integer number (1672795800).

Almost surely, 2^31021411442 is an apocalyptic number.

31021411442 is a deficient number, since it is larger than the sum of its proper divisors (22508054158).

31021411442 is a wasteful number, since it uses less digits than its factorization.

31021411442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24026.

The product of its (nonzero) digits is 768, while the sum is 23.

Adding to 31021411442 its reverse (24411412013), we get a palindrome (55432823455).

The spelling of 31021411442 in words is "thirty-one billion, twenty-one million, four hundred eleven thousand, four hundred forty-two".