31125096 has 96 divisors (see below), whose sum is σ = 90979200. Its totient is φ = 9576960.

The previous prime is 31125071. The next prime is 31125119. The reversal of 31125096 is 69052113.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 72001 + ... + 72431.

It is an arithmetic number, because the mean of its divisors is an integer number (947700).

Almost surely, 2^31125096 is an apocalyptic number.

31125096 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 31125096, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45489600).

31125096 is an abundant number, since it is smaller than the sum of its proper divisors (59854104).

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

31125096 is a wasteful number, since it uses less digits than its factorization.

31125096 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 519 (or 512 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 27.

The square root of 31125096 is about 5578.9870048244. The cubic root of 31125096 is about 314.5600509803.

The spelling of 31125096 in words is "thirty-one million, one hundred twenty-five thousand, ninety-six".