31132212323 has 8 divisors (see below), whose sum is σ = 31529556480. Its totient is φ = 30734949960.

The previous prime is 31132212289. The next prime is 31132212337. The reversal of 31132212323 is 32321223113.

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 31132212323 - 2²⁴ = 31115435107 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31132212383) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1225436 + ... + 1250582.

It is an arithmetic number, because the mean of its divisors is an integer number (3941194560).

Almost surely, 2^31132212323 is an apocalyptic number.

31132212323 is a deficient number, since it is larger than the sum of its proper divisors (397344157).

31132212323 is a wasteful number, since it uses less digits than its factorization.

31132212323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40897.

The product of its digits is 1296, while the sum is 23.

Adding to 31132212323 its reverse (32321223113), we get a palindrome (63453435436).

The spelling of 31132212323 in words is "thirty-one billion, one hundred thirty-two million, two hundred twelve thousand, three hundred twenty-three".