3115203000 has 256 divisors, whose sum is σ = 11963427840. Its totient is φ = 657216000.

The previous prime is 3115202921. The next prime is 3115203011. The reversal of 3115203000 is 3025113.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 267295 + ... + 278705.

It is an arithmetic number, because the mean of its divisors is an integer number (46732140).

Almost surely, 2^3115203000 is an apocalyptic number.

3115203000 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 3115203000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5981713920).

3115203000 is an abundant number, since it is smaller than the sum of its proper divisors (8848224840).

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

3115203000 is a wasteful number, since it uses less digits than its factorization.

3115203000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11455 (or 11441 counting only the distinct ones).

The product of its (nonzero) digits is 90, while the sum is 15.

The square root of 3115203000 is about 55814.0036191635. The cubic root of 3115203000 is about 1460.4794509672.

Adding to 3115203000 its reverse (3025113), we get a palindrome (3118228113).

The spelling of 3115203000 in words is "three billion, one hundred fifteen million, two hundred three thousand".