3215264431 has 2 divisors, whose sum is σ = 3215264432. Its totient is φ = 3215264430.

The previous prime is 3215264399. The next prime is 3215264447. The reversal of 3215264431 is 1344625123.

It is a strong prime.

It is an emirp because it is prime and its reverse (1344625123) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3215264431 - 2⁵ = 3215264399 is a prime.

It is a super-2 number, since 2×3215264431² = 20675850722507507522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3215264393 and 3215264402.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3215264831) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1607632215 + 1607632216.

It is an arithmetic number, because the mean of its divisors is an integer number (1607632216).

Almost surely, 2^3215264431 is an apocalyptic number.

3215264431 is a deficient number, since it is larger than the sum of its proper divisors (1).

3215264431 is an equidigital number, since it uses as much as digits as its factorization.

3215264431 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 17280, while the sum is 31.

The square root of 3215264431 is about 56703.3017645357. The cubic root of 3215264431 is about 1475.9519938399.

Adding to 3215264431 its reverse (1344625123), we get a palindrome (4559889554).

The spelling of 3215264431 in words is "three billion, two hundred fifteen million, two hundred sixty-four thousand, four hundred thirty-one".