31326280200120 has 64 divisors (see below), whose sum is σ = 98925095376000. Its totient is φ = 7914007628928.

The previous prime is 31326280200119. The next prime is 31326280200133. The reversal of 31326280200120 is 2100208262313.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6869796010 + ... + 6869800569.

It is an arithmetic number, because the mean of its divisors is an integer number (1545704615250).

Almost surely, 2^{31326280200120} is an apocalyptic number.

31326280200120 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

31326280200120 is an abundant number, since it is smaller than the sum of its proper divisors (67598815175880).

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

31326280200120 is a wasteful number, since it uses less digits than its factorization.

31326280200120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13739596612 (or 13739596608 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 30.

Adding to 31326280200120 its reverse (2100208262313), we get a palindrome (33426488462433).

The spelling of 31326280200120 in words is "thirty-one trillion, three hundred twenty-six billion, two hundred eighty million, two hundred thousand, one hundred twenty".