31424322344 has 32 divisors (see below), whose sum is σ = 59058720000. Its totient is φ = 15675380352.

The previous prime is 31424322317. The next prime is 31424322353. The reversal of 31424322344 is 44322342413.

It is a self number, because there is not a number n which added to its sum of digits gives 31424322344.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7240127 + ... + 7244465.

It is an arithmetic number, because the mean of its divisors is an integer number (1845585000).

Almost surely, 2^31424322344 is an apocalyptic number.

It is an amenable number.

31424322344 is a deficient number, since it is larger than the sum of its proper divisors (27634397656).

31424322344 is a wasteful number, since it uses less digits than its factorization.

31424322344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6257 (or 6253 counting only the distinct ones).

The product of its digits is 55296, while the sum is 32.

Adding to 31424322344 its reverse (44322342413), we get a palindrome (75746664757).

The spelling of 31424322344 in words is "thirty-one billion, four hundred twenty-four million, three hundred twenty-two thousand, three hundred forty-four".