3081232493 has 2 divisors, whose sum is σ = 3081232494. Its totient is φ = 3081232492.

The previous prime is 3081232487. The next prime is 3081232591. The reversal of 3081232493 is 3942321803.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2132407684 + 948824809 = 46178^2 + 30803^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3081232493 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3081232403) 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, 1540616246 + 1540616247.

It is an arithmetic number, because the mean of its divisors is an integer number (1540616247).

Almost surely, 2^3081232493 is an apocalyptic number.

It is an amenable number.

3081232493 is a deficient number, since it is larger than the sum of its proper divisors (1).

3081232493 is an equidigital number, since it uses as much as digits as its factorization.

3081232493 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 31104, while the sum is 35.

The square root of 3081232493 is about 55508.8505825873. The cubic root of 3081232493 is about 1455.1513158093.

The spelling of 3081232493 in words is "three billion, eighty-one million, two hundred thirty-two thousand, four hundred ninety-three".