31423122199 has 8 divisors (see below), whose sum is σ = 35916322688. Its totient is φ = 26930967480.

The previous prime is 31423122191. The next prime is 31423122209. The reversal of 31423122199 is 99122132413.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 31423122199 - 2³ = 31423122191 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31423122191) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 195957 + ... + 318190.

It is an arithmetic number, because the mean of its divisors is an integer number (4489540336).

Almost surely, 2^31423122199 is an apocalyptic number.

31423122199 is a deficient number, since it is larger than the sum of its proper divisors (4493200489).

31423122199 is an equidigital number, since it uses as much as digits as its factorization.

31423122199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 522885.

The product of its digits is 23328, while the sum is 37.

The spelling of 31423122199 in words is "thirty-one billion, four hundred twenty-three million, one hundred twenty-two thousand, one hundred ninety-nine".