3132831649 has 2 divisors, whose sum is σ = 3132831650. Its totient is φ = 3132831648.

The previous prime is 3132831613. The next prime is 3132831659. The reversal of 3132831649 is 9461382313.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3090581649 + 42250000 = 55593^2 + 6500^2 .

It is a cyclic number.

It is not a de Polignac number, because 3132831649 - 2¹³ = 3132823457 is a prime.

It is not a weakly prime, because it can be changed into another prime (3132831659) 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, 1566415824 + 1566415825.

It is an arithmetic number, because the mean of its divisors is an integer number (1566415825).

Almost surely, 2^3132831649 is an apocalyptic number.

It is an amenable number.

3132831649 is a deficient number, since it is larger than the sum of its proper divisors (1).

3132831649 is an equidigital number, since it uses as much as digits as its factorization.

3132831649 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 93312, while the sum is 40.

The square root of 3132831649 is about 55971.7040030049. The cubic root of 3132831649 is about 1463.2291772226.

The spelling of 3132831649 in words is "three billion, one hundred thirty-two million, eight hundred thirty-one thousand, six hundred forty-nine".