3151250000 has 80 divisors (see below), whose sum is σ = 7634941392. Its totient is φ = 1260000000.

The previous prime is 3151249963. The next prime is 3151250009. The reversal of 3151250000 is 521513.

It can be written as a sum of positive squares in 8 ways, for example, as 1293984784 + 1857265216 = 35972^2 + 43096^2 .

It is a tau number, because it is divible by the number of its divisors (80).

It is a hoax number, since the sum of its digits (17) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3151250009) 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, 1248740 + ... + 1251260.

Almost surely, 2^3151250000 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 3151250000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3817470696).

3151250000 is an abundant number, since it is smaller than the sum of its proper divisors (4483691392).

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

3151250000 is an frugal number, since it uses more digits than its factorization.

3151250000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2564 (or 2528 counting only the distinct ones).

The product of its (nonzero) digits is 150, while the sum is 17.

The square root of 3151250000 is about 56135.9955821574. The cubic root of 3151250000 is about 1466.0910849827.

Adding to 3151250000 its reverse (521513), we get a palindrome (3151771513).

The spelling of 3151250000 in words is "three billion, one hundred fifty-one million, two hundred fifty thousand".