2121310300131 has 96 divisors (see below), whose sum is σ = 3636523537920. Its totient is φ = 1223823686400.

The previous prime is 2121310300091. The next prime is 2121310300139. The reversal of 2121310300131 is 1310030131212.

2121310300131 is a `hidden beast` number, since 2 + 1 + 21 + 310 + 300 + 1 + 31 = 666.

It is not a de Polignac number, because 2121310300131 - 2¹³ = 2121310291939 is a prime.

It is a super-2 number, since 2×2121310300131² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2121310300139) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 5310991 + ... + 5696423.

It is an arithmetic number, because the mean of its divisors is an integer number (37880453520).

Almost surely, 2^{2121310300131} is an apocalyptic number.

2121310300131 is a deficient number, since it is larger than the sum of its proper divisors (1515213237789).

2121310300131 is a wasteful number, since it uses less digits than its factorization.

2121310300131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 385559 (or 385547 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 2121310300131 its reverse (1310030131212), we get a palindrome (3431340431343).

The spelling of 2121310300131 in words is "two trillion, one hundred twenty-one billion, three hundred ten million, three hundred thousand, one hundred thirty-one".