31102311130130 has 16 divisors (see below), whose sum is σ = 56056584576024. Its totient is φ = 12424830109440.

The previous prime is 31102311130117. The next prime is 31102311130141. The reversal of 31102311130130 is 3103111320113.

It can be written as a sum of positive squares in 4 ways, for example, as 26640782883841 + 4461528246289 = 5161471^2 + 2112233^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2011784711 + ... + 2011800170.

Almost surely, 2^{31102311130130} is an apocalyptic number.

31102311130130 is a deficient number, since it is larger than the sum of its proper divisors (24954273445894).

31102311130130 is a wasteful number, since it uses less digits than its factorization.

31102311130130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4023585661.

The product of its (nonzero) digits is 162, while the sum is 20.

Adding to 31102311130130 its reverse (3103111320113), we get a palindrome (34205422450243).

The spelling of 31102311130130 in words is "thirty-one trillion, one hundred two billion, three hundred eleven million, one hundred thirty thousand, one hundred thirty".