31347414880 has 96 divisors (see below), whose sum is σ = 75097411200. Its totient is φ = 12363466752.

The previous prime is 31347414869. The next prime is 31347414883. The reversal of 31347414880 is 8841474313.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31347414883) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13814386 + ... + 13816654.

It is an arithmetic number, because the mean of its divisors is an integer number (782264700).

Almost surely, 2^31347414880 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 31347414880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37548705600).

31347414880 is an abundant number, since it is smaller than the sum of its proper divisors (43749996320).

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

31347414880 is a wasteful number, since it uses less digits than its factorization.

31347414880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3456 (or 3448 counting only the distinct ones).

The product of its (nonzero) digits is 258048, while the sum is 43.

The spelling of 31347414880 in words is "thirty-one billion, three hundred forty-seven million, four hundred fourteen thousand, eight hundred eighty".