231113203019 has 2 divisors, whose sum is σ = 231113203020. Its totient is φ = 231113203018.

The previous prime is 231113203001. The next prime is 231113203063. The reversal of 231113203019 is 910302311132.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 231113203019 - 2³⁶ = 162393726283 is a prime.

It is a super-2 number, since 2×231113203019² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (231113203099) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115556601509 + 115556601510.

It is an arithmetic number, because the mean of its divisors is an integer number (115556601510).

Almost surely, 2^231113203019 is an apocalyptic number.

231113203019 is a deficient number, since it is larger than the sum of its proper divisors (1).

231113203019 is an equidigital number, since it uses as much as digits as its factorization.

231113203019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 972, while the sum is 26.

The spelling of 231113203019 in words is "two hundred thirty-one billion, one hundred thirteen million, two hundred three thousand, nineteen".