1031312002312 has 16 divisors (see below), whose sum is σ = 1947621589200. Its totient is φ = 511946245200.

The previous prime is 1031312002297. The next prime is 1031312002333. The reversal of 1031312002312 is 2132002131301.

It is a super-2 number, since 2×1031312002312² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1031312002312.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 463718314 + ... + 463720537.

It is an arithmetic number, because the mean of its divisors is an integer number (121726349325).

Almost surely, 2^{1031312002312} is an apocalyptic number.

It is an amenable number.

1031312002312 is a deficient number, since it is larger than the sum of its proper divisors (916309586888).

1031312002312 is a wasteful number, since it uses less digits than its factorization.

1031312002312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 927438996 (or 927438992 counting only the distinct ones).

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

Adding to 1031312002312 its reverse (2132002131301), we get a palindrome (3163314133613).

The spelling of 1031312002312 in words is "one trillion, thirty-one billion, three hundred twelve million, two thousand, three hundred twelve".