231248419 has 2 divisors, whose sum is σ = 231248420. Its totient is φ = 231248418.

The previous prime is 231248393. The next prime is 231248429. The reversal of 231248419 is 914842132.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 231248419 - 2⁵ = 231248387 is a prime.

It is a super-2 number, since 2×231248419² = 106951662579999122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (231248429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115624209 + 115624210.

It is an arithmetic number, because the mean of its divisors is an integer number (115624210).

Almost surely, 2^231248419 is an apocalyptic number.

231248419 is a deficient number, since it is larger than the sum of its proper divisors (1).

231248419 is an equidigital number, since it uses as much as digits as its factorization.

231248419 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13824, while the sum is 34.

The square root of 231248419 is about 15206.8543426969. The cubic root of 231248419 is about 613.7991142913.

The spelling of 231248419 in words is "two hundred thirty-one million, two hundred forty-eight thousand, four hundred nineteen".