3157000000 has 392 divisors, whose sum is σ = 10001121984. Its totient is φ = 960000000.

The previous prime is 3156999983. The next prime is 3157000037. The reversal of 3157000000 is 7513.

It is a sliding number, since 3157000000 = 32000000 + 3125000000 and 1/32000000 + 1/3125000000 = 0.00000003157000000.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 76999980 + ... + 77000020.

Almost surely, 2^3157000000 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 3157000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5000560992).

3157000000 is an abundant number, since it is smaller than the sum of its proper divisors (6844121984).

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

3157000000 is an frugal number, since it uses more digits than its factorization.

3157000000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101 (or 66 counting only the distinct ones).

The product of its (nonzero) digits is 105, while the sum is 16.

The square root of 3157000000 is about 56187.1871515206. The cubic root of 3157000000 is about 1466.9822553210.

Adding to 3157000000 its reverse (7513), we get a palindrome (3157007513).

The spelling of 3157000000 in words is "three billion, one hundred fifty-seven million", and thus it is an aban number.