1031312131002 has 12 divisors (see below), whose sum is σ = 2234509617210. Its totient is φ = 343770710328.

The previous prime is 1031312130983. The next prime is 1031312131013. The reversal of 1031312131002 is 2001312131301.

1031312131002 is a `hidden beast` number, since 10 + 31 + 312 + 1 + 310 + 0 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 954683372241 + 76628758761 = 977079^2 + 276819^2 .

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 57295118389 = 1031312131002 / (1 + 0 + 3 + 1 + 3 + 1 + 2 + 1 + 3 + 1 + 0 + 0 + 2).

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 5 ways as a sum of consecutive naturals, for example, 28647559177 + ... + 28647559212.

Almost surely, 2^{1031312131002} is an apocalyptic number.

1031312131002 is an abundant number, since it is smaller than the sum of its proper divisors (1203197486208).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1031312131002 is a wasteful number, since it uses less digits than its factorization.

1031312131002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57295118397 (or 57295118394 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 1031312131002 its reverse (2001312131301), we get a palindrome (3032624262303).

The spelling of 1031312131002 in words is "one trillion, thirty-one billion, three hundred twelve million, one hundred thirty-one thousand, two".