31608040803 has 8 divisors (see below), whose sum is σ = 42447249600. Its totient is φ = 20920429608.

The previous prime is 31608040787. The next prime is 31608040861. The reversal of 31608040803 is 30804080613.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 31608040803 - 2⁴ = 31608040787 is a prime.

It is a super-2 number, since 2×31608040803² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (31608040873) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37898913 + ... + 37899746.

It is an arithmetic number, because the mean of its divisors is an integer number (5305906200).

Almost surely, 2^31608040803 is an apocalyptic number.

31608040803 is a deficient number, since it is larger than the sum of its proper divisors (10839208797).

31608040803 is a wasteful number, since it uses less digits than its factorization.

31608040803 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75798801.

The product of its (nonzero) digits is 13824, while the sum is 33.

The spelling of 31608040803 in words is "thirty-one billion, six hundred eight million, forty thousand, eight hundred three".