31022203023 has 24 divisors (see below), whose sum is σ = 51220327808. Its totient is φ = 17723832912.

The previous prime is 31022203021. The next prime is 31022203033. The reversal of 31022203023 is 32030222013.

It is a happy number.

It is not a de Polignac number, because 31022203023 - 2¹ = 31022203021 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 31022202987 and 31022203005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31022203021) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 341640 + ... + 422802.

Almost surely, 2^31022203023 is an apocalyptic number.

31022203023 is a deficient number, since it is larger than the sum of its proper divisors (20198124785).

31022203023 is a wasteful number, since it uses less digits than its factorization.

31022203023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87243 (or 87240 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

Adding to 31022203023 its reverse (32030222013), we get a palindrome (63052425036).

The spelling of 31022203023 in words is "thirty-one billion, twenty-two million, two hundred three thousand, twenty-three".