1031320000331 has 4 divisors (see below), whose sum is σ = 1033781385000. Its totient is φ = 1028858615664.

The previous prime is 1031320000313. The next prime is 1031320000363. The reversal of 1031320000331 is 1330000231301.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1031320000331 - 2⁶ = 1031320000267 is a prime.

It is a super-2 number, since 2×1031320000331² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1031320000231) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 1230691706 + ... + 1230692543.

It is an arithmetic number, because the mean of its divisors is an integer number (258445346250).

Almost surely, 2^{1031320000331} is an apocalyptic number.

1031320000331 is a deficient number, since it is larger than the sum of its proper divisors (2461384669).

1031320000331 is an equidigital number, since it uses as much as digits as its factorization.

1031320000331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2461384668.

The product of its (nonzero) digits is 162, while the sum is 17.

Adding to 1031320000331 its reverse (1330000231301), we get a palindrome (2361320231632).

The spelling of 1031320000331 in words is "one trillion, thirty-one billion, three hundred twenty million, three hundred thirty-one", and thus it is an aban number.