2313631 has 2 divisors, whose sum is σ = 2313632. Its totient is φ = 2313630.

The previous prime is 2313629. The next prime is 2313643. The reversal of 2313631 is 1363132.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2313631 - 2¹ = 2313629 is a prime.

It is a super-2 number, since 2×2313631² = 10705776808322, which contains 22 as substring.

Together with 2313629, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 2313599 and 2313608.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2313601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1156815 + 1156816.

It is an arithmetic number, because the mean of its divisors is an integer number (1156816).

2^2313631 is an apocalyptic number.

2313631 is a deficient number, since it is larger than the sum of its proper divisors (1).

2313631 is an equidigital number, since it uses as much as digits as its factorization.

2313631 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 324, while the sum is 19.

The square root of 2313631 is about 1521.0624576262. The cubic root of 2313631 is about 132.2608668855.

Adding to 2313631 its reverse (1363132), we get a palindrome (3676763).

The spelling of 2313631 in words is "two million, three hundred thirteen thousand, six hundred thirty-one".