1020331113031 has 16 divisors (see below), whose sum is σ = 1028968012800. Its totient is φ = 1011719907360.

The previous prime is 1020331113023. The next prime is 1020331113071. The reversal of 1020331113031 is 1303111330201.

It is a cyclic number.

It is not a de Polignac number, because 1020331113031 - 2³ = 1020331113023 is a prime.

It is a super-2 number, since 2×1020331113031² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020331113071) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 337521186 + ... + 337524208.

It is an arithmetic number, because the mean of its divisors is an integer number (64310500800).

Almost surely, 2^{1020331113031} is an apocalyptic number.

1020331113031 is a deficient number, since it is larger than the sum of its proper divisors (8636899769).

1020331113031 is a wasteful number, since it uses less digits than its factorization.

1020331113031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6366.

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

Adding to 1020331113031 its reverse (1303111330201), we get a palindrome (2323442443232).

The spelling of 1020331113031 in words is "one trillion, twenty billion, three hundred thirty-one million, one hundred thirteen thousand, thirty-one".