3312813631 has 2 divisors, whose sum is σ = 3312813632. Its totient is φ = 3312813630.

The previous prime is 3312813629. The next prime is 3312813643. The reversal of 3312813631 is 1363182133.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3312813631 - 2¹ = 3312813629 is a prime.

It is a super-2 number, since 2×3312813631² = 21949468307478808322, which contains 22 as substring.

Together with 3312813629, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 3312813593 and 3312813602.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3312813131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1656406815 + 1656406816.

It is an arithmetic number, because the mean of its divisors is an integer number (1656406816).

Almost surely, 2^3312813631 is an apocalyptic number.

3312813631 is a deficient number, since it is larger than the sum of its proper divisors (1).

3312813631 is an equidigital number, since it uses as much as digits as its factorization.

3312813631 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7776, while the sum is 31.

The square root of 3312813631 is about 57557.0467536339. The cubic root of 3312813631 is about 1490.7300344314.

Adding to 3312813631 its reverse (1363182133), we get a palindrome (4675995764).

The spelling of 3312813631 in words is "three billion, three hundred twelve million, eight hundred thirteen thousand, six hundred thirty-one".