31342313444 has 36 divisors (see below), whose sum is σ = 59412964464. Its totient is φ = 14460761952.

The previous prime is 31342313423. The next prime is 31342313459. The reversal of 31342313444 is 44431324313.

It is a super-2 number, since 2×31342313444² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 31342313444.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2635199 + ... + 2647065.

It is an arithmetic number, because the mean of its divisors is an integer number (1650360124).

Almost surely, 2^31342313444 is an apocalyptic number.

It is an amenable number.

31342313444 is a deficient number, since it is larger than the sum of its proper divisors (28070651020).

31342313444 is a wasteful number, since it uses less digits than its factorization.

31342313444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15804 (or 15789 counting only the distinct ones).

The product of its digits is 41472, while the sum is 32.

Adding to 31342313444 its reverse (44431324313), we get a palindrome (75773637757).

The spelling of 31342313444 in words is "thirty-one billion, three hundred forty-two million, three hundred thirteen thousand, four hundred forty-four".