31313423982 has 8 divisors (see below), whose sum is σ = 62626847976. Its totient is φ = 10437807992.

The previous prime is 31313423951. The next prime is 31313423987. The reversal of 31313423982 is 28932431313.

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

31313423982 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 31313423982.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31313423987) 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, 2609451993 + ... + 2609452004.

It is an arithmetic number, because the mean of its divisors is an integer number (7828355997).

Almost surely, 2^31313423982 is an apocalyptic number.

31313423982 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.

31313423982 is a wasteful number, since it uses less digits than its factorization.

31313423982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5218904002.

The product of its digits is 93312, while the sum is 39.

The spelling of 31313423982 in words is "thirty-one billion, three hundred thirteen million, four hundred twenty-three thousand, nine hundred eighty-two".