3155113391 has 2 divisors, whose sum is σ = 3155113392. Its totient is φ = 3155113390.

The previous prime is 3155113361. The next prime is 3155113397. The reversal of 3155113391 is 1933115513.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3155113391 - 2²⁶ = 3088004527 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3155113397) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1577556695 + 1577556696.

It is an arithmetic number, because the mean of its divisors is an integer number (1577556696).

Almost surely, 2^3155113391 is an apocalyptic number.

3155113391 is a deficient number, since it is larger than the sum of its proper divisors (1).

3155113391 is an equidigital number, since it uses as much as digits as its factorization.

3155113391 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6075, while the sum is 32.

The square root of 3155113391 is about 56170.3960374146. The cubic root of 3155113391 is about 1466.6899764259.

The spelling of 3155113391 in words is "three billion, one hundred fifty-five million, one hundred thirteen thousand, three hundred ninety-one".