31302200101312 has 56 divisors (see below), whose sum is σ = 71097630723936. Its totient is φ = 13394684494848.

The previous prime is 31302200101229. The next prime is 31302200101363. The reversal of 31302200101312 is 21310100220313.

It is a tau number, because it is divible by the number of its divisors (56).

It is a self number, because there is not a number n which added to its sum of digits gives 31302200101312.

It is a congruent number.

It is an unprimeable number.

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, 53207443 + ... + 53792530.

Almost surely, 2^{31302200101312} is an apocalyptic number.

31302200101312 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

31302200101312 is an abundant number, since it is smaller than the sum of its proper divisors (39795430622624).

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

31302200101312 is a wasteful number, since it uses less digits than its factorization.

31302200101312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107000645 (or 107000635 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 31302200101312 its reverse (21310100220313), we get a palindrome (52612300321625).

The spelling of 31302200101312 in words is "thirty-one trillion, three hundred two billion, two hundred million, one hundred one thousand, three hundred twelve".