32113331231 has 4 divisors (see below), whose sum is σ = 32553239952. Its totient is φ = 31673422512.

The previous prime is 32113331189. The next prime is 32113331267. The reversal of 32113331231 is 13213331123.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 32113331231 - 2²⁶ = 32046222367 is a prime.

It is a super-2 number, since 2×32113331231² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 32113331197 and 32113331206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32113331431) 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 3 ways as a sum of consecutive naturals, for example, 219954251 + ... + 219954396.

It is an arithmetic number, because the mean of its divisors is an integer number (8138309988).

Almost surely, 2^32113331231 is an apocalyptic number.

32113331231 is a deficient number, since it is larger than the sum of its proper divisors (439908721).

32113331231 is an equidigital number, since it uses as much as digits as its factorization.

32113331231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 439908720.

The product of its digits is 972, while the sum is 23.

Adding to 32113331231 its reverse (13213331123), we get a palindrome (45326662354).

The spelling of 32113331231 in words is "thirty-two billion, one hundred thirteen million, three hundred thirty-one thousand, two hundred thirty-one".