2321100012131 has 4 divisors (see below), whose sum is σ = 2359150832064. Its totient is φ = 2283049192200.

The previous prime is 2321100012071. The next prime is 2321100012191. The reversal of 2321100012131 is 1312100011232.

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

It is an interprime number because it is at equal distance from previous prime (2321100012071) and next prime (2321100012191).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2321100012131 is a prime.

It is a super-2 number, since 2×2321100012131² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2321100012191) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19025409875 + ... + 19025409996.

It is an arithmetic number, because the mean of its divisors is an integer number (589787708016).

Almost surely, 2^{2321100012131} is an apocalyptic number.

2321100012131 is a deficient number, since it is larger than the sum of its proper divisors (38050819933).

2321100012131 is an equidigital number, since it uses as much as digits as its factorization.

2321100012131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38050819932.

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

Adding to 2321100012131 its reverse (1312100011232), we get a palindrome (3633200023363).

The spelling of 2321100012131 in words is "two trillion, three hundred twenty-one billion, one hundred million, twelve thousand, one hundred thirty-one".