31232449099 has 2 divisors, whose sum is σ = 31232449100. Its totient is φ = 31232449098.

The previous prime is 31232449063. The next prime is 31232449141. The reversal of 31232449099 is 99094423213.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 31232449099 - 2¹⁷ = 31232318027 is a prime.

It is not a weakly prime, because it can be changed into another prime (31232449019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15616224549 + 15616224550.

It is an arithmetic number, because the mean of its divisors is an integer number (15616224550).

Almost surely, 2^31232449099 is an apocalyptic number.

31232449099 is a deficient number, since it is larger than the sum of its proper divisors (1).

31232449099 is an equidigital number, since it uses as much as digits as its factorization.

31232449099 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 419904, while the sum is 46.

The spelling of 31232449099 in words is "thirty-one billion, two hundred thirty-two million, four hundred forty-nine thousand, ninety-nine".