31311300122 has 8 divisors (see below), whose sum is σ = 47736900372. Its totient is φ = 15399000000.

The previous prime is 31311300113. The next prime is 31311300131. The reversal of 31311300122 is 22100311313.

It is an interprime number because it is at equal distance from previous prime (31311300113) and next prime (31311300131).

It can be written as a sum of positive squares in 2 ways, for example, as 24167500681 + 7143799441 = 155459^2 + 84521^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 31311300122.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 128324879 + ... + 128325122.

Almost surely, 2^31311300122 is an apocalyptic number.

31311300122 is a deficient number, since it is larger than the sum of its proper divisors (16425600250).

31311300122 is a wasteful number, since it uses less digits than its factorization.

31311300122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256650064.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 31311300122 its reverse (22100311313), we get a palindrome (53411611435).

The spelling of 31311300122 in words is "thirty-one billion, three hundred eleven million, three hundred thousand, one hundred twenty-two".