31799401 has 8 divisors (see below), whose sum is σ = 34387200. Its totient is φ = 29291328.

The previous prime is 31799389. The next prime is 31799419. The reversal of 31799401 is 10499713.

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 31799401 - 2⁹ = 31798889 is a prime.

It is a super-2 number, since 2×31799401² = 2022403807917602, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31799101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19101 + ... + 20698.

It is an arithmetic number, because the mean of its divisors is an integer number (4298400).

Almost surely, 2^31799401 is an apocalyptic number.

It is an amenable number.

31799401 is a deficient number, since it is larger than the sum of its proper divisors (2587799).

31799401 is a wasteful number, since it uses less digits than its factorization.

31799401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39863.

The product of its (nonzero) digits is 6804, while the sum is 34.

The square root of 31799401 is about 5639.0957608468. The cubic root of 31799401 is about 316.8154212779.

The spelling of 31799401 in words is "thirty-one million, seven hundred ninety-nine thousand, four hundred one".