31212332131323 has 32 divisors (see below), whose sum is σ = 49354876224000. Its totient is φ = 17533319710368.

The previous prime is 31212332131289. The next prime is 31212332131369. The reversal of 31212332131323 is 32313123321213.

It is not a de Polignac number, because 31212332131323 - 2³⁰ = 31211258389499 is a prime.

It is not an unprimeable number, because it can be changed into a prime (31212332131373) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 256995936 + ... + 257117357.

It is an arithmetic number, because the mean of its divisors is an integer number (1542339882000).

Almost surely, 2^{31212332131323} is an apocalyptic number.

31212332131323 is a deficient number, since it is larger than the sum of its proper divisors (18142544092677).

31212332131323 is an equidigital number, since it uses as much as digits as its factorization.

31212332131323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 514113376 (or 514113362 counting only the distinct ones).

The product of its digits is 11664, while the sum is 30.

Adding to 31212332131323 its reverse (32313123321213), we get a palindrome (63525455452536).

The spelling of 31212332131323 in words is "thirty-one trillion, two hundred twelve billion, three hundred thirty-two million, one hundred thirty-one thousand, three hundred twenty-three".