32031223231 has 16 divisors (see below), whose sum is σ = 37876861440. Its totient is φ = 26503394400.

The previous prime is 32031223229. The next prime is 32031223249. The reversal of 32031223231 is 13232213023.

It is not a de Polignac number, because 32031223231 - 2¹ = 32031223229 is a prime.

It is a super-2 number, since 2×32031223231² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32031223201) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1292406 + ... + 1316956.

It is an arithmetic number, because the mean of its divisors is an integer number (2367303840).

Almost surely, 2^32031223231 is an apocalyptic number.

32031223231 is a deficient number, since it is larger than the sum of its proper divisors (5845638209).

32031223231 is a wasteful number, since it uses less digits than its factorization.

32031223231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31014.

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 32031223231 its reverse (13232213023), we get a palindrome (45263436254).

The spelling of 32031223231 in words is "thirty-two billion, thirty-one million, two hundred twenty-three thousand, two hundred thirty-one".