31404022193 has 8 divisors (see below), whose sum is σ = 32539591080. Its totient is φ = 30271964800.

The previous prime is 31404022189. The next prime is 31404022211. The reversal of 31404022193 is 39122040413.

It can be written as a sum of positive squares in 4 ways, for example, as 2752366369 + 28651655824 = 52463^2 + 169268^2 .

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 31404022193 - 2² = 31404022189 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31404028193) 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, 859658 + ... + 895443.

It is an arithmetic number, because the mean of its divisors is an integer number (4067448885).

Almost surely, 2^31404022193 is an apocalyptic number.

It is an amenable number.

31404022193 is a deficient number, since it is larger than the sum of its proper divisors (1135568887).

31404022193 is a wasteful number, since it uses less digits than its factorization.

31404022193 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1755747.

The product of its (nonzero) digits is 5184, while the sum is 29.

The spelling of 31404022193 in words is "thirty-one billion, four hundred four million, twenty-two thousand, one hundred ninety-three".