2313745381 has 2 divisors, whose sum is σ = 2313745382. Its totient is φ = 2313745380.

The previous prime is 2313745363. The next prime is 2313745409. The reversal of 2313745381 is 1835473132.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1604002500 + 709742881 = 40050^2 + 26641^2 .

It is a cyclic number.

It is not a de Polignac number, because 2313745381 - 2⁷ = 2313745253 is a prime.

It is a super-2 number, since 2×2313745381² = 10706835376197670322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2313745381.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2313745321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1156872690 + 1156872691.

It is an arithmetic number, because the mean of its divisors is an integer number (1156872691).

Almost surely, 2^2313745381 is an apocalyptic number.

It is an amenable number.

2313745381 is a deficient number, since it is larger than the sum of its proper divisors (1).

2313745381 is an equidigital number, since it uses as much as digits as its factorization.

2313745381 is an evil number, because the sum of its binary digits is even.

The product of its digits is 60480, while the sum is 37.

The square root of 2313745381 is about 48101.4072663160. The cubic root of 2313745381 is about 1322.6304641502.

The spelling of 2313745381 in words is "two billion, three hundred thirteen million, seven hundred forty-five thousand, three hundred eighty-one".