31490802099 has 6 divisors (see below), whose sum is σ = 45486714156. Its totient is φ = 20993868060.

The previous prime is 31490802097. The next prime is 31490802143. The reversal of 31490802099 is 99020809413.

It is not a de Polignac number, because 31490802099 - 2¹ = 31490802097 is a prime.

It is not an unprimeable number, because it can be changed into a prime (31490802097) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1749488997 + ... + 1749489014.

It is an arithmetic number, because the mean of its divisors is an integer number (7581119026).

Almost surely, 2^31490802099 is an apocalyptic number.

31490802099 is a deficient number, since it is larger than the sum of its proper divisors (13995912057).

31490802099 is a wasteful number, since it uses less digits than its factorization.

31490802099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3498978017 (or 3498978014 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 45.

The spelling of 31490802099 in words is "thirty-one billion, four hundred ninety million, eight hundred two thousand, ninety-nine".