1031332649 has 2 divisors, whose sum is σ = 1031332650. Its totient is φ = 1031332648.

The previous prime is 1031332639. The next prime is 1031332651. The reversal of 1031332649 is 9462331301.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 902101225 + 129231424 = 30035^2 + 11368^2 .

It is a cyclic number.

It is not a de Polignac number, because 1031332649 - 2¹⁶ = 1031267113 is a prime.

Together with 1031332651, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1031332619) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 515666324 + 515666325.

It is an arithmetic number, because the mean of its divisors is an integer number (515666325).

Almost surely, 2^1031332649 is an apocalyptic number.

It is an amenable number.

1031332649 is a deficient number, since it is larger than the sum of its proper divisors (1).

1031332649 is an equidigital number, since it uses as much as digits as its factorization.

1031332649 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11664, while the sum is 32.

The square root of 1031332649 is about 32114.3682640652. The cubic root of 1031332649 is about 1010.3369946928.

The spelling of 1031332649 in words is "one billion, thirty-one million, three hundred thirty-two thousand, six hundred forty-nine".