1330542331 has 2 divisors, whose sum is σ = 1330542332. Its totient is φ = 1330542330.

The previous prime is 1330542299. The next prime is 1330542371. The reversal of 1330542331 is 1332450331.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1330542331 - 2⁵ = 1330542299 is a prime.

It is a super-2 number, since 2×1330542331² = 3540685789165827122, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1330542296 and 1330542305.

It is not a weakly prime, because it can be changed into another prime (1330542371) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 665271165 + 665271166.

It is an arithmetic number, because the mean of its divisors is an integer number (665271166).

Almost surely, 2^1330542331 is an apocalyptic number.

1330542331 is a deficient number, since it is larger than the sum of its proper divisors (1).

1330542331 is an equidigital number, since it uses as much as digits as its factorization.

1330542331 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3240, while the sum is 25.

The square root of 1330542331 is about 36476.5997730052. The cubic root of 1330542331 is about 1099.8739059319.

Adding to 1330542331 its reverse (1332450331), we get a palindrome (2662992662).

The spelling of 1330542331 in words is "one billion, three hundred thirty million, five hundred forty-two thousand, three hundred thirty-one".