31132332023 has 32 divisors (see below), whose sum is σ = 35146524672. Its totient is φ = 27383616000.

The previous prime is 31132332001. The next prime is 31132332031. The reversal of 31132332023 is 32023323113.

It is not a de Polignac number, because 31132332023 - 2⁸ = 31132331767 is a prime.

It is a super-2 number, since 2×31132332023² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 31132332023.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31132332323) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 27047498 + ... + 27048648.

It is an arithmetic number, because the mean of its divisors is an integer number (1098328896).

Almost surely, 2^31132332023 is an apocalyptic number.

31132332023 is a deficient number, since it is larger than the sum of its proper divisors (4014192649).

31132332023 is a wasteful number, since it uses less digits than its factorization.

31132332023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2315.

The product of its (nonzero) digits is 1944, while the sum is 23.

Adding to 31132332023 its reverse (32023323113), we get a palindrome (63155655136).

The spelling of 31132332023 in words is "thirty-one billion, one hundred thirty-two million, three hundred thirty-two thousand, twenty-three".