31232133102239 has 4 divisors (see below), whose sum is σ = 31242891676656. Its totient is φ = 31221374527824.

The previous prime is 31232133102229. The next prime is 31232133102241. The reversal of 31232133102239 is 93220133123213.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-31232133102239 is a prime.

It is a super-2 number, since 2×31232133102239² (a number of 28 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 = 31232133102199 and 31232133102208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31232133102229) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5379282854 + ... + 5379288659.

It is an arithmetic number, because the mean of its divisors is an integer number (7810722919164).

Almost surely, 2^{31232133102239} is an apocalyptic number.

31232133102239 is a deficient number, since it is larger than the sum of its proper divisors (10758574417).

31232133102239 is a wasteful number, since it uses less digits than its factorization.

31232133102239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10758574416.

The product of its (nonzero) digits is 34992, while the sum is 35.

The spelling of 31232133102239 in words is "thirty-one trillion, two hundred thirty-two billion, one hundred thirty-three million, one hundred two thousand, two hundred thirty-nine".