3133142191 has 4 divisors (see below), whose sum is σ = 3133260000. Its totient is φ = 3133024384.

The previous prime is 3133142147. The next prime is 3133142209. The reversal of 3133142191 is 1912413313.

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: 1912413313 = 6263 ⋅305351.

It is a cyclic number.

It is not a de Polignac number, because 3133142191 - 2⁷ = 3133142063 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 (3133122191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1935 + ... + 79183.

It is an arithmetic number, because the mean of its divisors is an integer number (783315000).

Almost surely, 2^3133142191 is an apocalyptic number.

3133142191 is a deficient number, since it is larger than the sum of its proper divisors (117809).

3133142191 is an equidigital number, since it uses as much as digits as its factorization.

3133142191 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117808.

The product of its digits is 1944, while the sum is 28.

The square root of 3133142191 is about 55974.4780324033. The cubic root of 3133142191 is about 1463.2775231657.

The spelling of 3133142191 in words is "three billion, one hundred thirty-three million, one hundred forty-two thousand, one hundred ninety-one".