31344354400000 has 108 divisors (see below), whose sum is σ = 78202834088904. Its totient is φ = 12537741440000.

The previous prime is 31344354399979. The next prime is 31344354400027. The reversal of 31344354400000 is 445344313.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18790222 + ... + 20390221.

It is an arithmetic number, because the mean of its divisors is an integer number (724100315638).

Almost surely, 2^{31344354400000} is an apocalyptic number.

It is an amenable number.

31344354400000 is an abundant number, since it is smaller than the sum of its proper divisors (46858479688904).

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

31344354400000 is an frugal number, since it uses more digits than its factorization.

31344354400000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39180484 (or 39180450 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 31.

Adding to 31344354400000 its reverse (445344313), we get a palindrome (31344799744313).

The spelling of 31344354400000 in words is "thirty-one trillion, three hundred forty-four billion, three hundred fifty-four million, four hundred thousand".