1361752331 has 2 divisors, whose sum is σ = 1361752332. Its totient is φ = 1361752330.

The previous prime is 1361752321. The next prime is 1361752339. The reversal of 1361752331 is 1332571631.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1361752331 is a prime.

It is a super-2 number, since 2×1361752331² = 3708738821967867122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1361752339) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 680876165 + 680876166.

It is an arithmetic number, because the mean of its divisors is an integer number (680876166).

Almost surely, 2^1361752331 is an apocalyptic number.

1361752331 is a deficient number, since it is larger than the sum of its proper divisors (1).

1361752331 is an equidigital number, since it uses as much as digits as its factorization.

1361752331 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11340, while the sum is 32.

The square root of 1361752331 is about 36901.9285539387. The cubic root of 1361752331 is about 1108.4072958926.

The spelling of 1361752331 in words is "one billion, three hundred sixty-one million, seven hundred fifty-two thousand, three hundred thirty-one".