31101101322112 has 32 divisors (see below), whose sum is σ = 64095750307800. Its totient is φ = 15014324774400.

The previous prime is 31101101322097. The next prime is 31101101322133. The reversal of 31101101322112 is 21122310110113.

It is a tau number, because it is divible by the number of its divisors (32).

It is a self number, because there is not a number n which added to its sum of digits gives 31101101322112.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4189261014 + ... + 4189268437.

Almost surely, 2^{31101101322112} is an apocalyptic number.

31101101322112 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

31101101322112 is an abundant number, since it is smaller than the sum of its proper divisors (32994648985688).

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

31101101322112 is an equidigital number, since it uses as much as digits as its factorization.

31101101322112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8378529494 (or 8378529482 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 19.

Adding to 31101101322112 its reverse (21122310110113), we get a palindrome (52223411432225).

The spelling of 31101101322112 in words is "thirty-one trillion, one hundred one billion, one hundred one million, three hundred twenty-two thousand, one hundred twelve".