1021132331 has 2 divisors, whose sum is σ = 1021132332. Its totient is φ = 1021132330.

The previous prime is 1021132261. The next prime is 1021132337. The reversal of 1021132331 is 1332311201.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1021132331 is a prime.

It is a super-2 number, since 2×1021132331² = 2085422474826987122, which contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (1021132337) 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, 510566165 + 510566166.

It is an arithmetic number, because the mean of its divisors is an integer number (510566166).

Almost surely, 2^1021132331 is an apocalyptic number.

1021132331 is a deficient number, since it is larger than the sum of its proper divisors (1).

1021132331 is an equidigital number, since it uses as much as digits as its factorization.

1021132331 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 1021132331 is about 31955.1612576122. The cubic root of 1021132331 is about 1006.9950653030.

Adding to 1021132331 its reverse (1332311201), we get a palindrome (2353443532).

The spelling of 1021132331 in words is "one billion, twenty-one million, one hundred thirty-two thousand, three hundred thirty-one".