1031313100023 has 24 divisors (see below), whose sum is σ = 1554847781760. Its totient is φ = 657477651600.

The previous prime is 1031313100003. The next prime is 1031313100063. The reversal of 1031313100023 is 3200013131301.

It is a happy number.

It is not a de Polignac number, because 1031313100023 - 2⁶ = 1031313099959 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1031313099969 and 1031313100005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1031313100003) 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, 150288 + ... + 1444026.

It is an arithmetic number, because the mean of its divisors is an integer number (64785324240).

Almost surely, 2^{1031313100023} is an apocalyptic number.

1031313100023 is a deficient number, since it is larger than the sum of its proper divisors (523534681737).

1031313100023 is a wasteful number, since it uses less digits than its factorization.

1031313100023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1297619 (or 1297616 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 18.

Adding to 1031313100023 its reverse (3200013131301), we get a palindrome (4231326231324).

The spelling of 1031313100023 in words is "one trillion, thirty-one billion, three hundred thirteen million, one hundred thousand, twenty-three".