31320111320054 has 4 divisors (see below), whose sum is σ = 46980166980084. Its totient is φ = 15660055660026.

The previous prime is 31320111320011. The next prime is 31320111320063. The reversal of 31320111320054 is 45002311102313.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7830027830012 + ... + 7830027830015.

It is an arithmetic number, because the mean of its divisors is an integer number (11745041745021).

Almost surely, 2^{31320111320054} is an apocalyptic number.

31320111320054 is a deficient number, since it is larger than the sum of its proper divisors (15660055660030).

31320111320054 is a wasteful number, since it uses less digits than its factorization.

31320111320054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15660055660029.

The product of its (nonzero) digits is 2160, while the sum is 26.

Adding to 31320111320054 its reverse (45002311102313), we get a palindrome (76322422422367).

The spelling of 31320111320054 in words is "thirty-one trillion, three hundred twenty billion, one hundred eleven million, three hundred twenty thousand, fifty-four".