31042023 has 16 divisors (see below), whose sum is σ = 42170880. Its totient is φ = 20307456.

The previous prime is 31042021. The next prime is 31042027. The reversal of 31042023 is 32024013.

It is not a de Polignac number, because 31042023 - 2¹ = 31042021 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 31041993 and 31042011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31042021) 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, 53511 + ... + 54087.

It is an arithmetic number, because the mean of its divisors is an integer number (2635680).

Almost surely, 2^31042023 is an apocalyptic number.

31042023 is a deficient number, since it is larger than the sum of its proper divisors (11128857).

31042023 is a wasteful number, since it uses less digits than its factorization.

31042023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 886.

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 31042023 is about 5571.5368615850. The cubic root of 31042023 is about 314.2799476411.

Adding to 31042023 its reverse (32024013), we get a palindrome (63066036).

The spelling of 31042023 in words is "thirty-one million, forty-two thousand, twenty-three".