2430231091 has 2 divisors, whose sum is σ = 2430231092. Its totient is φ = 2430231090.

The previous prime is 2430231049. The next prime is 2430231121. The reversal of 2430231091 is 1901320342.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2430231091 - 2⁷ = 2430230963 is a prime.

It is not a weakly prime, because it can be changed into another prime (2433231091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1215115545 + 1215115546.

It is an arithmetic number, because the mean of its divisors is an integer number (1215115546).

Almost surely, 2^2430231091 is an apocalyptic number.

2430231091 is a deficient number, since it is larger than the sum of its proper divisors (1).

2430231091 is an equidigital number, since it uses as much as digits as its factorization.

2430231091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 2430231091 is about 49297.3740781393. The cubic root of 2430231091 is about 1344.4640404065.

The spelling of 2430231091 in words is "two billion, four hundred thirty million, two hundred thirty-one thousand, ninety-one".