2031121211300 has 36 divisors (see below), whose sum is σ = 4430370029316. Its totient is φ = 808238899200.

The previous prime is 2031121211297. The next prime is 2031121211393. The reversal of 2031121211300 is 31121211302.

It can be written as a sum of positive squares in 6 ways, for example, as 129987649444 + 1901133561856 = 360538^2 + 1378816^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 52600421 + ... + 52639020.

Almost surely, 2^{2031121211300} is an apocalyptic number.

2031121211300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2031121211300 is an abundant number, since it is smaller than the sum of its proper divisors (2399248818016).

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

2031121211300 is a wasteful number, since it uses less digits than its factorization.

2031121211300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105239648 (or 105239641 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 2031121211300 its reverse (31121211302), we get a palindrome (2062242422602).

The spelling of 2031121211300 in words is "two trillion, thirty-one billion, one hundred twenty-one million, two hundred eleven thousand, three hundred".