31314221122 has 4 divisors (see below), whose sum is σ = 46971331686. Its totient is φ = 15657110560.

The previous prime is 31314221117. The next prime is 31314221179. The reversal of 31314221122 is 22112241313.

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., 28412136481 + 2902084641 = 168559^2 + 53871^2 .

It is a junction number, because it is equal to n+sod(n) for n = 31314221093 and 31314221102.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7828555279 + ... + 7828555282.

Almost surely, 2^31314221122 is an apocalyptic number.

31314221122 is a deficient number, since it is larger than the sum of its proper divisors (15657110564).

31314221122 is a wasteful number, since it uses less digits than its factorization.

31314221122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15657110563.

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

Adding to 31314221122 its reverse (22112241313), we get a palindrome (53426462435).

The spelling of 31314221122 in words is "thirty-one billion, three hundred fourteen million, two hundred twenty-one thousand, one hundred twenty-two".