1031312131003 has 24 divisors (see below), whose sum is σ = 1315533547440. Its totient is φ = 799455928320.

The previous prime is 1031312130983. The next prime is 1031312131013. The reversal of 1031312131003 is 3001312131301.

It is not a de Polignac number, because 1031312131003 - 2⁵ = 1031312130971 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1031312131013) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4852918 + ... + 5060971.

It is an arithmetic number, because the mean of its divisors is an integer number (54813897810).

Almost surely, 2^{1031312131003} is an apocalyptic number.

1031312131003 is a deficient number, since it is larger than the sum of its proper divisors (284221416437).

1031312131003 is a wasteful number, since it uses less digits than its factorization.

1031312131003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9914107 (or 9914100 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 19.

Adding to 1031312131003 its reverse (3001312131301), we get a palindrome (4032624262304).

The spelling of 1031312131003 in words is "one trillion, thirty-one billion, three hundred twelve million, one hundred thirty-one thousand, three".