31233321023 has 8 divisors (see below), whose sum is σ = 31513926528. Its totient is φ = 30952789504.

The previous prime is 31233320953. The next prime is 31233321037. The reversal of 31233321023 is 32012333213.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 31233321023 - 2¹⁴ = 31233304639 is a prime.

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 31233321023.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31233321073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1169111 + ... + 1195527.

It is an arithmetic number, because the mean of its divisors is an integer number (3939240816).

Almost surely, 2^31233321023 is an apocalyptic number.

31233321023 is a deficient number, since it is larger than the sum of its proper divisors (280605505).

31233321023 is a wasteful number, since it uses less digits than its factorization.

31233321023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36993.

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

Adding to 31233321023 its reverse (32012333213), we get a palindrome (63245654236).

The spelling of 31233321023 in words is "thirty-one billion, two hundred thirty-three million, three hundred twenty-one thousand, twenty-three".