3155422231 has 4 divisors (see below), whose sum is σ = 3398147032. Its totient is φ = 2912697432.

The previous prime is 3155422229. The next prime is 3155422261. The reversal of 3155422231 is 1322245513.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1322245513 = 5101 ⋅259213.

It is a cyclic number.

It is not a de Polignac number, because 3155422231 - 2¹ = 3155422229 is a prime.

It is a super-2 number, since 2×3155422231² = 19913378911778034722, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3155422231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3155422211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 121362381 + ... + 121362406.

It is an arithmetic number, because the mean of its divisors is an integer number (849536758).

Almost surely, 2^3155422231 is an apocalyptic number.

3155422231 is a deficient number, since it is larger than the sum of its proper divisors (242724801).

3155422231 is a wasteful number, since it uses less digits than its factorization.

3155422231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 242724800.

The product of its digits is 7200, while the sum is 28.

The square root of 3155422231 is about 56173.1451051123. The cubic root of 3155422231 is about 1466.7378307814.

Adding to 3155422231 its reverse (1322245513), we get a palindrome (4477667744).

The spelling of 3155422231 in words is "three billion, one hundred fifty-five million, four hundred twenty-two thousand, two hundred thirty-one".