2313641138261 has 4 divisors (see below), whose sum is σ = 2313644661312. Its totient is φ = 2313637615212.

The previous prime is 2313641138257. The next prime is 2313641138267. The reversal of 2313641138261 is 1628311463132.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2313641138261 - 2² = 2313641138257 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2313641138267) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 451901 + ... + 2198066.

It is an arithmetic number, because the mean of its divisors is an integer number (578411165328).

Almost surely, 2^{2313641138261} is an apocalyptic number.

It is an amenable number.

2313641138261 is a deficient number, since it is larger than the sum of its proper divisors (3523051).

2313641138261 is an equidigital number, since it uses as much as digits as its factorization.

2313641138261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3523050.

The product of its digits is 124416, while the sum is 41.

The spelling of 2313641138261 in words is "two trillion, three hundred thirteen billion, six hundred forty-one million, one hundred thirty-eight thousand, two hundred sixty-one".