31032023 has 12 divisors (see below), whose sum is σ = 35214144. Its totient is φ = 27297600.

The previous prime is 31032017. The next prime is 31032047. The reversal of 31032023 is 32023013.

It is a de Polignac number, because none of the positive numbers 2^k-31032023 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 31031989 and 31032007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31032223) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 386 + ... + 7887.

It is an arithmetic number, because the mean of its divisors is an integer number (2934512).

Almost surely, 2^31032023 is an apocalyptic number.

31032023 is a deficient number, since it is larger than the sum of its proper divisors (4182121).

31032023 is a wasteful number, since it uses less digits than its factorization.

31032023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8326 (or 8315 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 14.

The square root of 31032023 is about 5570.6393708442. The cubic root of 31032023 is about 314.2461962217.

Adding to 31032023 its reverse (32023013), we get a palindrome (63055036).

The spelling of 31032023 in words is "thirty-one million, thirty-two thousand, twenty-three".