31010112130 has 16 divisors (see below), whose sum is σ = 56057769144. Its totient is φ = 12350807680.

The previous prime is 31010112127. The next prime is 31010112137. The reversal of 31010112130 is 3121101013.

It can be written as a sum of positive squares in 4 ways, for example, as 14798965801 + 16211146329 = 121651^2 + 127323^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 31010112130.

It is not an unprimeable number, because it can be changed into a prime (31010112137) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6652201 + ... + 6656860.

Almost surely, 2^31010112130 is an apocalyptic number.

31010112130 is a deficient number, since it is larger than the sum of its proper divisors (25047657014).

31010112130 is a wasteful number, since it uses less digits than its factorization.

31010112130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13309301.

The product of its (nonzero) digits is 18, while the sum is 13.

Adding to 31010112130 its reverse (3121101013), we get a palindrome (34131213143).

The spelling of 31010112130 in words is "thirty-one billion, ten million, one hundred twelve thousand, one hundred thirty".