31746485563 has 24 divisors (see below), whose sum is σ = 36025977312. Its totient is φ = 27909243648.

The previous prime is 31746485501. The next prime is 31746485587. The reversal of 31746485563 is 36558464713.

It is not a de Polignac number, because 31746485563 - 2²¹ = 31744388411 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 31746485563.

It is not an unprimeable number, because it can be changed into a prime (31746482563) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 888145 + ... + 923197.

It is an arithmetic number, because the mean of its divisors is an integer number (1501082388).

Almost surely, 2^31746485563 is an apocalyptic number.

31746485563 is a deficient number, since it is larger than the sum of its proper divisors (4279491749).

31746485563 is a wasteful number, since it uses less digits than its factorization.

31746485563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35335 (or 35322 counting only the distinct ones).

The product of its digits is 7257600, while the sum is 52.

The spelling of 31746485563 in words is "thirty-one billion, seven hundred forty-six million, four hundred eighty-five thousand, five hundred sixty-three".