31103201123300 has 18 divisors (see below), whose sum is σ = 67493946437778. Its totient is φ = 12441280449280.

The previous prime is 31103201123261. The next prime is 31103201123329. The reversal of 31103201123300 is 332110230113.

It can be written as a sum of positive squares in 3 ways, for example, as 5274261323776 + 25828939799524 = 2296576^2 + 5082218^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 155516005517 + ... + 155516005716.

Almost surely, 2^{31103201123300} is an apocalyptic number.

It is an amenable number.

31103201123300 is an abundant number, since it is smaller than the sum of its proper divisors (36390745314478).

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

31103201123300 is a wasteful number, since it uses less digits than its factorization.

31103201123300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 311032011247 (or 311032011240 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 31103201123300 its reverse (332110230113), we get a palindrome (31435311353413).

The spelling of 31103201123300 in words is "thirty-one trillion, one hundred three billion, two hundred one million, one hundred twenty-three thousand, three hundred".