231043280219 has 2 divisors, whose sum is σ = 231043280220. Its totient is φ = 231043280218.

The previous prime is 231043280203. The next prime is 231043280233. The reversal of 231043280219 is 912082340132.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 231043280219 - 2⁴ = 231043280203 is a prime.

It is a super-2 number, since 2×231043280219² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (231043280249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115521640109 + 115521640110.

It is an arithmetic number, because the mean of its divisors is an integer number (115521640110).

Almost surely, 2^231043280219 is an apocalyptic number.

231043280219 is a deficient number, since it is larger than the sum of its proper divisors (1).

231043280219 is an equidigital number, since it uses as much as digits as its factorization.

231043280219 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20736, while the sum is 35.

The spelling of 231043280219 in words is "two hundred thirty-one billion, forty-three million, two hundred eighty thousand, two hundred nineteen".