3135242191 has 2 divisors, whose sum is σ = 3135242192. Its totient is φ = 3135242190.

The previous prime is 3135242177. The next prime is 3135242219. The reversal of 3135242191 is 1912425313.

It is a weak prime.

It is an emirp because it is prime and its reverse (1912425313) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3135242191 - 2⁷ = 3135242063 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3135242791) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1567621095 + 1567621096.

It is an arithmetic number, because the mean of its divisors is an integer number (1567621096).

Almost surely, 2^3135242191 is an apocalyptic number.

3135242191 is a deficient number, since it is larger than the sum of its proper divisors (1).

3135242191 is an equidigital number, since it uses as much as digits as its factorization.

3135242191 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6480, while the sum is 31.

The square root of 3135242191 is about 55993.2334394077. The cubic root of 3135242191 is about 1463.6043725211.

The spelling of 3135242191 in words is "three billion, one hundred thirty-five million, two hundred forty-two thousand, one hundred ninety-one".