31113321130 has 8 divisors (see below), whose sum is σ = 56003978052. Its totient is φ = 12445328448.

The previous prime is 31113321061. The next prime is 31113321149. The reversal of 31113321130 is 3112331113.

It can be written as a sum of positive squares in 2 ways, for example, as 30970016289 + 143304841 = 175983^2 + 11971^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 31113321098 and 31113321107.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1555666047 + ... + 1555666066.

Almost surely, 2^31113321130 is an apocalyptic number.

31113321130 is a deficient number, since it is larger than the sum of its proper divisors (24890656922).

31113321130 is a wasteful number, since it uses less digits than its factorization.

31113321130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3111332120.

The product of its (nonzero) digits is 162, while the sum is 19.

Adding to 31113321130 its reverse (3112331113), we get a palindrome (34225652243).

The spelling of 31113321130 in words is "thirty-one billion, one hundred thirteen million, three hundred twenty-one thousand, one hundred thirty".