31102131310130 has 16 divisors (see below), whose sum is σ = 59277003203160. Its totient is φ = 11709037669632.

The previous prime is 31102131310127. The next prime is 31102131310141. The reversal of 31102131310130 is 3101313120113.

It can be written as a sum of positive squares in 4 ways, for example, as 26811984324841 + 4290146985289 = 5178029^2 + 2071267^2 .

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, 91476856625 + ... + 91476856964.

Almost surely, 2^{31102131310130} is an apocalyptic number.

31102131310130 is a deficient number, since it is larger than the sum of its proper divisors (28174871893030).

31102131310130 is a wasteful number, since it uses less digits than its factorization.

31102131310130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182953713613.

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

Adding to 31102131310130 its reverse (3101313120113), we get a palindrome (34203444430243).

The spelling of 31102131310130 in words is "thirty-one trillion, one hundred two billion, one hundred thirty-one million, three hundred ten thousand, one hundred thirty".