31488046408 has 192 divisors, whose sum is σ = 81723116160. Its totient is φ = 11213604864.

The previous prime is 31488046393. The next prime is 31488046439. The reversal of 31488046408 is 80464088413.

It is a Harshad number since it is a multiple of its sum of digits (46).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1984635 + ... + 2000437.

It is an arithmetic number, because the mean of its divisors is an integer number (425641230).

Almost surely, 2^31488046408 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 31488046408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40861558080).

31488046408 is an abundant number, since it is smaller than the sum of its proper divisors (50235069752).

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

31488046408 is a wasteful number, since it uses less digits than its factorization.

31488046408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15876 (or 15865 counting only the distinct ones).

The product of its (nonzero) digits is 589824, while the sum is 46.

The spelling of 31488046408 in words is "thirty-one billion, four hundred eighty-eight million, forty-six thousand, four hundred eight".