1030331231 has 2 divisors, whose sum is σ = 1030331232. Its totient is φ = 1030331230.

The previous prime is 1030331201. The next prime is 1030331233. The reversal of 1030331231 is 1321330301.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1030331231 - 2¹⁸ = 1030069087 is a prime.

It is a super-2 number, since 2×1030331231² = 2123164891147950722, which contains 22 as substring.

Together with 1030331233, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1030331233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 515165615 + 515165616.

It is an arithmetic number, because the mean of its divisors is an integer number (515165616).

Almost surely, 2^1030331231 is an apocalyptic number.

1030331231 is a deficient number, since it is larger than the sum of its proper divisors (1).

1030331231 is an equidigital number, since it uses as much as digits as its factorization.

1030331231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 162, while the sum is 17.

The square root of 1030331231 is about 32098.7730450869. The cubic root of 1030331231 is about 1010.0098783467.

Adding to 1030331231 its reverse (1321330301), we get a palindrome (2351661532).

The spelling of 1030331231 in words is "one billion, thirty million, three hundred thirty-one thousand, two hundred thirty-one".