31312222114 has 4 divisors (see below), whose sum is σ = 46968333174. Its totient is φ = 15656111056.

The previous prime is 31312222063. The next prime is 31312222121. The reversal of 31312222114 is 41122221313.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 26894360025 + 4417862089 = 163995^2 + 66467^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7828055527 + ... + 7828055530.

Almost surely, 2^31312222114 is an apocalyptic number.

31312222114 is a deficient number, since it is larger than the sum of its proper divisors (15656111060).

31312222114 is a wasteful number, since it uses less digits than its factorization.

31312222114 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15656111059.

The product of its digits is 576, while the sum is 22.

Adding to 31312222114 its reverse (41122221313), we get a palindrome (72434443427).

The spelling of 31312222114 in words is "thirty-one billion, three hundred twelve million, two hundred twenty-two thousand, one hundred fourteen".