961132331 has 2 divisors, whose sum is σ = 961132332. Its totient is φ = 961132330.

The previous prime is 961132283. The next prime is 961132351. The reversal of 961132331 is 133231169.

It is a strong prime.

It is an emirp because it is prime and its reverse (133231169) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-961132331 is a prime.

It is a super-2 number, since 2×961132331² = 1847550715386987122, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 961132294 and 961132303.

It is not a weakly prime, because it can be changed into another prime (961132351) 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, 480566165 + 480566166.

It is an arithmetic number, because the mean of its divisors is an integer number (480566166).

Almost surely, 2^961132331 is an apocalyptic number.

961132331 is a deficient number, since it is larger than the sum of its proper divisors (1).

961132331 is an equidigital number, since it uses as much as digits as its factorization.

961132331 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2916, while the sum is 29.

The square root of 961132331 is about 31002.1342974964. The cubic root of 961132331 is about 986.8725340583.

The spelling of 961132331 in words is "nine hundred sixty-one million, one hundred thirty-two thousand, three hundred thirty-one".