31323220032199 has 8 divisors (see below), whose sum is σ = 32052036804480. Its totient is φ = 30594420068856.

The previous prime is 31323220032191. The next prime is 31323220032211. The reversal of 31323220032199 is 99123002232313.

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 31323220032199 - 2³ = 31323220032191 is a prime.

It is a super-2 number, since 2×31323220032199² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31323220032191) 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, 392179 + ... + 7924660.

It is an arithmetic number, because the mean of its divisors is an integer number (4006504600560).

Almost surely, 2^{31323220032199} is an apocalyptic number.

31323220032199 is a deficient number, since it is larger than the sum of its proper divisors (728816772281).

31323220032199 is an equidigital number, since it uses as much as digits as its factorization.

31323220032199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8404469.

The product of its (nonzero) digits is 104976, while the sum is 40.

The spelling of 31323220032199 in words is "thirty-one trillion, three hundred twenty-three billion, two hundred twenty million, thirty-two thousand, one hundred ninety-nine".