230131019 has 2 divisors, whose sum is σ = 230131020. Its totient is φ = 230131018.

The previous prime is 230131007. The next prime is 230131043. The reversal of 230131019 is 910131032.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 230131019 - 2⁴ = 230131003 is a prime.

It is a super-2 number, since 2×230131019² = 105920571811956722, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (230131079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115065509 + 115065510.

It is an arithmetic number, because the mean of its divisors is an integer number (115065510).

Almost surely, 2^230131019 is an apocalyptic number.

230131019 is a deficient number, since it is larger than the sum of its proper divisors (1).

230131019 is an equidigital number, since it uses as much as digits as its factorization.

230131019 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 20.

The square root of 230131019 is about 15170.0698416322. The cubic root of 230131019 is about 612.8088851020.

The spelling of 230131019 in words is "two hundred thirty million, one hundred thirty-one thousand, nineteen".