31322343442 has 16 divisors (see below), whose sum is σ = 50653455552. Its totient is φ = 14440516560.

The previous prime is 31322343337. The next prime is 31322343587. The reversal of 31322343442 is 24434322313.

It is a happy number.

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, 640534 + ... + 687697.

It is an arithmetic number, because the mean of its divisors is an integer number (3165840972).

Almost surely, 2^31322343442 is an apocalyptic number.

31322343442 is a deficient number, since it is larger than the sum of its proper divisors (19331112110).

31322343442 is a wasteful number, since it uses less digits than its factorization.

31322343442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1329153.

The product of its digits is 41472, while the sum is 31.

Adding to 31322343442 its reverse (24434322313), we get a palindrome (55756665755).

The spelling of 31322343442 in words is "thirty-one billion, three hundred twenty-two million, three hundred forty-three thousand, four hundred forty-two".