31314322402 has 16 divisors (see below), whose sum is σ = 51769886112. Its totient is φ = 14087041920.

The previous prime is 31314322397. The next prime is 31314322441. The reversal of 31314322402 is 20422341313.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7334868 + ... + 7339135.

It is an arithmetic number, because the mean of its divisors is an integer number (3235617882).

Almost surely, 2^31314322402 is an apocalyptic number.

31314322402 is a deficient number, since it is larger than the sum of its proper divisors (20455563710).

31314322402 is a wasteful number, since it uses less digits than its factorization.

31314322402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14674113.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 31314322402 its reverse (20422341313), we get a palindrome (51736663715).

The spelling of 31314322402 in words is "thirty-one billion, three hundred fourteen million, three hundred twenty-two thousand, four hundred two".