31223414422112 has 48 divisors (see below), whose sum is σ = 67149634148352. Its totient is φ = 14173359419520.

The previous prime is 31223414422111. The next prime is 31223414422171. The reversal of 31223414422112 is 21122441432213.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31223414422111) 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, 59430848 + ... + 59953919.

It is an arithmetic number, because the mean of its divisors is an integer number (1398950711424).

Almost surely, 2^{31223414422112} is an apocalyptic number.

31223414422112 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

31223414422112 is an abundant number, since it is smaller than the sum of its proper divisors (35926219726240).

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

31223414422112 is a wasteful number, since it uses less digits than its factorization.

31223414422112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119385531 (or 119385523 counting only the distinct ones).

The product of its digits is 18432, while the sum is 32.

Adding to 31223414422112 its reverse (21122441432213), we get a palindrome (52345855854325).

The spelling of 31223414422112 in words is "thirty-one trillion, two hundred twenty-three billion, four hundred fourteen million, four hundred twenty-two thousand, one hundred twelve".