31105360449 has 16 divisors (see below), whose sum is σ = 46085730240. Its totient is φ = 20735235360.

The previous prime is 31105360423. The next prime is 31105360453. The reversal of 31105360449 is 94406350113.

31105360449 is a `hidden beast` number, since 3 + 1 + 1 + 0 + 5 + 3 + 604 + 49 = 666.

It is not a de Polignac number, because 31105360449 - 2¹⁵ = 31105327681 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (31105360409) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 359109 + ... + 437229.

It is an arithmetic number, because the mean of its divisors is an integer number (2880358140).

Almost surely, 2^31105360449 is an apocalyptic number.

It is an amenable number.

31105360449 is a deficient number, since it is larger than the sum of its proper divisors (14980369791).

31105360449 is a wasteful number, since it uses less digits than its factorization.

31105360449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92877 (or 92871 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 36.

The spelling of 31105360449 in words is "thirty-one billion, one hundred five million, three hundred sixty thousand, four hundred forty-nine".