3130704891 has 32 divisors (see below), whose sum is σ = 4738536000. Its totient is φ = 2042288640.

The previous prime is 3130704881. The next prime is 3130704901. The reversal of 3130704891 is 1984070313.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (3130704881) and next prime (3130704901).

It is not a de Polignac number, because 3130704891 - 2¹¹ = 3130702843 is a prime.

It is a super-2 number, since 2×3130704891² = 19602626229062643762, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3130704821) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 319635 + ... + 329283.

It is an arithmetic number, because the mean of its divisors is an integer number (148079250).

Almost surely, 2^3130704891 is an apocalyptic number.

3130704891 is a deficient number, since it is larger than the sum of its proper divisors (1607831109).

3130704891 is a wasteful number, since it uses less digits than its factorization.

3130704891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9916 (or 9910 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The square root of 3130704891 is about 55952.7022671828. The cubic root of 3130704891 is about 1462.8979924071.

The spelling of 3130704891 in words is "three billion, one hundred thirty million, seven hundred four thousand, eight hundred ninety-one".