31110130232002 has 16 divisors (see below), whose sum is σ = 49434274269432. Its totient is φ = 14632930195200.

The previous prime is 31110130231969. The next prime is 31110130232003. The reversal of 31110130232002 is 20023203101113.

It can be written as a sum of positive squares in 4 ways, for example, as 25517136999601 + 5592993232401 = 5051449^2 + 2364951^2 .

It is not an unprimeable number, because it can be changed into a prime (31110130232003) 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, 222775749 + ... + 222915352.

Almost surely, 2^{31110130232002} is an apocalyptic number.

31110130232002 is a deficient number, since it is larger than the sum of its proper divisors (18324144037430).

31110130232002 is a wasteful number, since it uses less digits than its factorization.

31110130232002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 445693173.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 31110130232002 its reverse (20023203101113), we get a palindrome (51133333333115).

The spelling of 31110130232002 in words is "thirty-one trillion, one hundred ten billion, one hundred thirty million, two hundred thirty-two thousand, two".