31363328406 has 16 divisors (see below), whose sum is σ = 62948309184. Its totient is φ = 10417500744.

The previous prime is 31363328377. The next prime is 31363328417. The reversal of 31363328406 is 60482336313.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9233676 + ... + 9237071.

It is an arithmetic number, because the mean of its divisors is an integer number (3934269324).

Almost surely, 2^31363328406 is an apocalyptic number.

31363328406 is an abundant number, since it is smaller than the sum of its proper divisors (31584980778).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31363328406 is a wasteful number, since it uses less digits than its factorization.

31363328406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18471035.

The product of its (nonzero) digits is 186624, while the sum is 39.

The spelling of 31363328406 in words is "thirty-one billion, three hundred sixty-three million, three hundred twenty-eight thousand, four hundred six".