2133030391 has 2 divisors, whose sum is σ = 2133030392. Its totient is φ = 2133030390.

The previous prime is 2133030349. The next prime is 2133030397. The reversal of 2133030391 is 1930303312.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2133030391 is a prime.

It is a super-2 number, since 2×2133030391² = 9099637297859225762, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2133030397) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1066515195 + 1066515196.

It is an arithmetic number, because the mean of its divisors is an integer number (1066515196).

Almost surely, 2^2133030391 is an apocalyptic number.

2133030391 is a deficient number, since it is larger than the sum of its proper divisors (1).

2133030391 is an equidigital number, since it uses as much as digits as its factorization.

2133030391 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1458, while the sum is 25.

The square root of 2133030391 is about 46184.7419717811. The cubic root of 2133030391 is about 1287.2582416715.

The spelling of 2133030391 in words is "two billion, one hundred thirty-three million, thirty thousand, three hundred ninety-one".