3101250240 has 560 divisors, whose sum is σ = 12281306400. Its totient is φ = 736542720.

The previous prime is 3101250223. The next prime is 3101250293. The reversal of 3101250240 is 420521013.

It is a super-2 number, since 2×3101250240² = 19235506102200115200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 20813686 + ... + 20813834.

Almost surely, 2^3101250240 is an apocalyptic number.

3101250240 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 3101250240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6140653200).

3101250240 is an abundant number, since it is smaller than the sum of its proper divisors (9180056160).

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

3101250240 is a wasteful number, since it uses less digits than its factorization.

3101250240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 262 (or 243 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 3101250240 is about 55688.8699831483. The cubic root of 3101250240 is about 1458.2957282566.

Adding to 3101250240 its reverse (420521013), we get a palindrome (3521771253).

The spelling of 3101250240 in words is "three billion, one hundred one million, two hundred fifty thousand, two hundred forty".