31964285118 has 8 divisors (see below), whose sum is σ = 63928570248. Its totient is φ = 10654761704.

The previous prime is 31964285117. The next prime is 31964285153. The reversal of 31964285118 is 81158246913.

It is a happy number.

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

31964285118 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31964285113) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2663690421 + ... + 2663690432.

It is an arithmetic number, because the mean of its divisors is an integer number (7991071281).

Almost surely, 2^31964285118 is an apocalyptic number.

31964285118 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

31964285118 is a wasteful number, since it uses less digits than its factorization.

31964285118 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5327380858.

The product of its digits is 414720, while the sum is 48.

The spelling of 31964285118 in words is "thirty-one billion, nine hundred sixty-four million, two hundred eighty-five thousand, one hundred eighteen".