31083020480 has 112 divisors (see below), whose sum is σ = 76546252800. Its totient is φ = 12009753600.

The previous prime is 31083020477. The next prime is 31083020483. The reversal of 31083020480 is 8402038013.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (31083020477) and next prime (31083020483).

It is not an unprimeable number, because it can be changed into a prime (31083020483) 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, 5939465 + ... + 5944695.

Almost surely, 2^31083020480 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 31083020480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38273126400).

31083020480 is an abundant number, since it is smaller than the sum of its proper divisors (45463232320).

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

31083020480 is a wasteful number, since it uses less digits than its factorization.

31083020480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5878 (or 5868 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 29.

Adding to 31083020480 its reverse (8402038013), we get a palindrome (39485058493).

The spelling of 31083020480 in words is "thirty-one billion, eighty-three million, twenty thousand, four hundred eighty".