31322011023 has 24 divisors (see below), whose sum is σ = 46324586880. Its totient is φ = 20382722640.

The previous prime is 31322011001. The next prime is 31322011027. The reversal of 31322011023 is 32011022313.

31322011023 is a `hidden beast` number, since 313 + 220 + 110 + 23 = 666.

It is not a de Polignac number, because 31322011023 - 2⁶ = 31322010959 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 31322010987 and 31322011005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31322011027) 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, 601558 + ... + 651548.

It is an arithmetic number, because the mean of its divisors is an integer number (1930191120).

Almost surely, 2^31322011023 is an apocalyptic number.

31322011023 is a deficient number, since it is larger than the sum of its proper divisors (15002575857).

31322011023 is a wasteful number, since it uses less digits than its factorization.

31322011023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51659 (or 51656 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 31322011023 its reverse (32011022313), we get a palindrome (63333033336).

The spelling of 31322011023 in words is "thirty-one billion, three hundred twenty-two million, eleven thousand, twenty-three".