31122200012032 has 36 divisors (see below), whose sum is σ = 64126791170176. Its totient is φ = 15059129034240.

The previous prime is 31122200012021. The next prime is 31122200012051. The reversal of 31122200012032 is 23021000222113.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1960816158 + ... + 1960832029.

Almost surely, 2^{31122200012032} is an apocalyptic number.

31122200012032 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

31122200012032 is an abundant number, since it is smaller than the sum of its proper divisors (33004591158144).

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

31122200012032 is an equidigital number, since it uses as much as digits as its factorization.

31122200012032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3921648234 (or 3921648220 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 31122200012032 its reverse (23021000222113), we get a palindrome (54143200234145).

The spelling of 31122200012032 in words is "thirty-one trillion, one hundred twenty-two billion, two hundred million, twelve thousand, thirty-two".