3158133109 has 4 divisors (see below), whose sum is σ = 3158246860. Its totient is φ = 3158019360.

The previous prime is 3158133067. The next prime is 3158133119. The reversal of 3158133109 is 9013318513.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 9013318513 = 65357 ⋅137909.

It can be written as a sum of positive squares in 2 ways, for example, as 1889206225 + 1268926884 = 43465^2 + 35622^2 .

It is a cyclic number.

It is not a de Polignac number, because 3158133109 - 2⁷ = 3158132981 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3158133119) 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, 15307 + ... + 80935.

It is an arithmetic number, because the mean of its divisors is an integer number (789561715).

Almost surely, 2^3158133109 is an apocalyptic number.

It is an amenable number.

3158133109 is a deficient number, since it is larger than the sum of its proper divisors (113751).

3158133109 is an equidigital number, since it uses as much as digits as its factorization.

3158133109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113750.

The product of its (nonzero) digits is 9720, while the sum is 34.

The square root of 3158133109 is about 56197.2695866979. The cubic root of 3158133109 is about 1467.1577438612.

The spelling of 3158133109 in words is "three billion, one hundred fifty-eight million, one hundred thirty-three thousand, one hundred nine".