231152831099 has 2 divisors, whose sum is σ = 231152831100. Its totient is φ = 231152831098.

The previous prime is 231152831087. The next prime is 231152831111. The reversal of 231152831099 is 990138251132.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (231152831087) and next prime (231152831111).

It is a cyclic number.

It is not a de Polignac number, because 231152831099 - 2³² = 226857863803 is a prime.

It is not a weakly prime, because it can be changed into another prime (231152831009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115576415549 + 115576415550.

It is an arithmetic number, because the mean of its divisors is an integer number (115576415550).

Almost surely, 2^231152831099 is an apocalyptic number.

231152831099 is a deficient number, since it is larger than the sum of its proper divisors (1).

231152831099 is an equidigital number, since it uses as much as digits as its factorization.

231152831099 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 116640, while the sum is 44.

The spelling of 231152831099 in words is "two hundred thirty-one billion, one hundred fifty-two million, eight hundred thirty-one thousand, ninety-nine".