3231320461 has 2 divisors, whose sum is σ = 3231320462. Its totient is φ = 3231320460.

The previous prime is 3231320401. The next prime is 3231320471. The reversal of 3231320461 is 1640231323.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3177576900 + 53743561 = 56370^2 + 7331^2 .

It is a cyclic number.

It is not a de Polignac number, because 3231320461 - 2⁷ = 3231320333 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3231320401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1615660230 + 1615660231.

It is an arithmetic number, because the mean of its divisors is an integer number (1615660231).

Almost surely, 2^3231320461 is an apocalyptic number.

It is an amenable number.

3231320461 is a deficient number, since it is larger than the sum of its proper divisors (1).

3231320461 is an equidigital number, since it uses as much as digits as its factorization.

3231320461 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592, while the sum is 25.

The square root of 3231320461 is about 56844.7047753790. The cubic root of 3231320461 is about 1478.4047306082.

Adding to 3231320461 its reverse (1640231323), we get a palindrome (4871551784).

The spelling of 3231320461 in words is "three billion, two hundred thirty-one million, three hundred twenty thousand, four hundred sixty-one".