3121031023 has 16 divisors (see below), whose sum is σ = 3611054592. Its totient is φ = 2669436000.

The previous prime is 3121030967. The next prime is 3121031047. The reversal of 3121031023 is 3201301213.

It is not a de Polignac number, because 3121031023 - 2²⁵ = 3087476591 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3121030988 and 3121031006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3121031323) 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, 85683 + ... + 116548.

It is an arithmetic number, because the mean of its divisors is an integer number (225690912).

Almost surely, 2^3121031023 is an apocalyptic number.

3121031023 is a deficient number, since it is larger than the sum of its proper divisors (490023569).

3121031023 is a wasteful number, since it uses less digits than its factorization.

3121031023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202326.

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 3121031023 is about 55866.1885490679. The cubic root of 3121031023 is about 1461.3896543951.

Adding to 3121031023 its reverse (3201301213), we get a palindrome (6322332236).

The spelling of 3121031023 in words is "three billion, one hundred twenty-one million, thirty-one thousand, twenty-three".