31214142121312 has 48 divisors (see below), whose sum is σ = 65097939704112. Its totient is φ = 14682184929280.

The previous prime is 31214142121307. The next prime is 31214142121433. The reversal of 31214142121312 is 21312124141213.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12154114 + ... + 14496577.

It is an arithmetic number, because the mean of its divisors is an integer number (1356207077169).

Almost surely, 2^{31214142121312} is an apocalyptic number.

31214142121312 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

31214142121312 is an abundant number, since it is smaller than the sum of its proper divisors (33883797582800).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31214142121312 is a wasteful number, since it uses less digits than its factorization.

31214142121312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26652871 (or 26652863 counting only the distinct ones).

The product of its digits is 2304, while the sum is 28.

Adding to 31214142121312 its reverse (21312124141213), we get a palindrome (52526266262525).

The spelling of 31214142121312 in words is "thirty-one trillion, two hundred fourteen billion, one hundred forty-two million, one hundred twenty-one thousand, three hundred twelve".