31416320409 has 8 divisors (see below), whose sum is σ = 41890054752. Its totient is φ = 20943399840.

The previous prime is 31416320387. The next prime is 31416320437. The reversal of 31416320409 is 90402361413.

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

It is not a de Polignac number, because 31416320409 - 2⁸ = 31416320153 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 31416320409.

It is not an unprimeable number, because it can be changed into a prime (31416320449) 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, 106804 + ... + 272469.

It is an arithmetic number, because the mean of its divisors is an integer number (5236256844).

Almost surely, 2^31416320409 is an apocalyptic number.

It is an amenable number.

31416320409 is a deficient number, since it is larger than the sum of its proper divisors (10473734343).

31416320409 is a wasteful number, since it uses less digits than its factorization.

31416320409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 406887.

The product of its (nonzero) digits is 15552, while the sum is 33.

The spelling of 31416320409 in words is "thirty-one billion, four hundred sixteen million, three hundred twenty thousand, four hundred nine".