3130628993 has 4 divisors (see below), whose sum is σ = 3295398960. Its totient is φ = 2965859028.

The previous prime is 3130628989. The next prime is 3130629013. The reversal of 3130628993 is 3998260313.

3130628993 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 3998260313 = 83 ⋅48171811.

It is a cyclic number.

It is not a de Polignac number, because 3130628993 - 2² = 3130628989 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3130628983) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 82384955 + ... + 82384992.

It is an arithmetic number, because the mean of its divisors is an integer number (823849740).

Almost surely, 2^3130628993 is an apocalyptic number.

It is an amenable number.

3130628993 is a deficient number, since it is larger than the sum of its proper divisors (164769967).

3130628993 is a wasteful number, since it uses less digits than its factorization.

3130628993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164769966.

The product of its (nonzero) digits is 209952, while the sum is 44.

The square root of 3130628993 is about 55952.0240295201. The cubic root of 3130628993 is about 1462.8861705828.

The spelling of 3130628993 in words is "three billion, one hundred thirty million, six hundred twenty-eight thousand, nine hundred ninety-three".