31320110213312 has 56 divisors (see below), whose sum is σ = 62302130747280. Its totient is φ = 15621952389120.

The previous prime is 31320110213299. The next prime is 31320110213317. The reversal of 31320110213312 is 21331201102313.

It is not an unprimeable number, because it can be changed into a prime (31320110213317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 120928112 + ... + 121186832.

Almost surely, 2^{31320110213312} is an apocalyptic number.

31320110213312 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

31320110213312 is a deficient number, since it is larger than the sum of its proper divisors (30982020533968).

31320110213312 is a wasteful number, since it uses less digits than its factorization.

31320110213312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 263329 (or 263319 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 31320110213312 its reverse (21331201102313), we get a palindrome (52651311315625).

The spelling of 31320110213312 in words is "thirty-one trillion, three hundred twenty billion, one hundred ten million, two hundred thirteen thousand, three hundred twelve".