31654042227 has 12 divisors (see below), whose sum is σ = 45724641040. Its totient is φ = 21101709168.

The previous prime is 31654042219. The next prime is 31654042289. The reversal of 31654042227 is 72224045613.

It is not a de Polignac number, because 31654042227 - 2³ = 31654042219 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 31654042191 and 31654042200.

It is not an unprimeable number, because it can be changed into a prime (31654042207) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 158298 + ... + 297264.

Almost surely, 2^31654042227 is an apocalyptic number.

31654042227 is a deficient number, since it is larger than the sum of its proper divisors (14070598813).

31654042227 is a wasteful number, since it uses less digits than its factorization.

31654042227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164282 (or 164279 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 36.

The spelling of 31654042227 in words is "thirty-one billion, six hundred fifty-four million, forty-two thousand, two hundred twenty-seven".