231343101659 has 4 divisors (see below), whose sum is σ = 233633627520. Its totient is φ = 229052575800.

The previous prime is 231343101617. The next prime is 231343101683. The reversal of 231343101659 is 956101343132.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 231343101659 - 2⁸ = 231343101403 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (231343101959) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1145262779 + ... + 1145262980.

It is an arithmetic number, because the mean of its divisors is an integer number (58408406880).

Almost surely, 2^231343101659 is an apocalyptic number.

231343101659 is a deficient number, since it is larger than the sum of its proper divisors (2290525861).

231343101659 is a wasteful number, since it uses less digits than its factorization.

231343101659 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2290525860.

The product of its (nonzero) digits is 58320, while the sum is 38.

The spelling of 231343101659 in words is "two hundred thirty-one billion, three hundred forty-three million, one hundred one thousand, six hundred fifty-nine".