2313834781 has 2 divisors, whose sum is σ = 2313834782. Its totient is φ = 2313834780.

The previous prime is 2313834709. The next prime is 2313834821. The reversal of 2313834781 is 1874383132.

It is a happy number.

It is an a-pointer prime, because the next prime (2313834821) can be obtained adding 2313834781 to its sum of digits (40).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1947456900 + 366377881 = 44130^2 + 19141^2 .

It is a cyclic number.

It is not a de Polignac number, because 2313834781 - 2²⁵ = 2280280349 is a prime.

It is a super-2 number, since 2×2313834781² = 10707662787530635922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2313534781) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1156917390 + 1156917391.

It is an arithmetic number, because the mean of its divisors is an integer number (1156917391).

Almost surely, 2^2313834781 is an apocalyptic number.

It is an amenable number.

2313834781 is a deficient number, since it is larger than the sum of its proper divisors (1).

2313834781 is an equidigital number, since it uses as much as digits as its factorization.

2313834781 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 96768, while the sum is 40.

The square root of 2313834781 is about 48102.3365440807. The cubic root of 2313834781 is about 1322.6474988164.

The spelling of 2313834781 in words is "two billion, three hundred thirteen million, eight hundred thirty-four thousand, seven hundred eighty-one".