2313834821 has 2 divisors, whose sum is σ = 2313834822. Its totient is φ = 2313834820.

The previous prime is 2313834781. The next prime is 2313834841. The reversal of 2313834821 is 1284383132.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1865030596 + 448804225 = 43186^2 + 21185^2 .

It is a cyclic number.

It is not a de Polignac number, because 2313834821 - 2²² = 2309640517 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2313834841) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1156917410 + 1156917411.

It is an arithmetic number, because the mean of its divisors is an integer number (1156917411).

Almost surely, 2^2313834821 is an apocalyptic number.

It is an amenable number.

2313834821 is a deficient number, since it is larger than the sum of its proper divisors (1).

2313834821 is an equidigital number, since it uses as much as digits as its factorization.

2313834821 is an evil number, because the sum of its binary digits is even.

The product of its digits is 27648, while the sum is 35.

The square root of 2313834821 is about 48102.3369598609. The cubic root of 2313834821 is about 1322.6475064381.

The spelling of 2313834821 in words is "two billion, three hundred thirteen million, eight hundred thirty-four thousand, eight hundred twenty-one".