3117940320 has 384 divisors, whose sum is σ = 11342757888. Its totient is φ = 712857600.

The previous prime is 3117940271. The next prime is 3117940327. The reversal of 3117940320 is 230497113.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3117940327) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 7038019 + ... + 7038461.

It is an arithmetic number, because the mean of its divisors is an integer number (29538432).

Almost surely, 2^3117940320 is an apocalyptic number.

3117940320 is a gapful number since it is divisible by the number (30) 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 3117940320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5671378944).

3117940320 is an abundant number, since it is smaller than the sum of its proper divisors (8224817568).

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

3117940320 is a wasteful number, since it uses less digits than its factorization.

3117940320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 546 (or 538 counting only the distinct ones).

The product of its (nonzero) digits is 4536, while the sum is 30.

The square root of 3117940320 is about 55838.5200376944. The cubic root of 3117940320 is about 1460.9070987781.

The spelling of 3117940320 in words is "three billion, one hundred seventeen million, nine hundred forty thousand, three hundred twenty".