3613323431 has 2 divisors, whose sum is σ = 3613323432. Its totient is φ = 3613323430.

The previous prime is 3613323407. The next prime is 3613323479. The reversal of 3613323431 is 1343233163.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3613323431 - 2⁶ = 3613323367 is a prime.

It is a super-2 number, since 2×3613323431² = 26112212434027223522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3613323394 and 3613323403.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3613323491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1806661715 + 1806661716.

It is an arithmetic number, because the mean of its divisors is an integer number (1806661716).

Almost surely, 2^3613323431 is an apocalyptic number.

3613323431 is a deficient number, since it is larger than the sum of its proper divisors (1).

3613323431 is an equidigital number, since it uses as much as digits as its factorization.

3613323431 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11664, while the sum is 29.

The square root of 3613323431 is about 60110.9260534223. The cubic root of 3613323431 is about 1534.5072539099.

Adding to 3613323431 its reverse (1343233163), we get a palindrome (4956556594).

The spelling of 3613323431 in words is "three billion, six hundred thirteen million, three hundred twenty-three thousand, four hundred thirty-one".