3144312155 has 4 divisors (see below), whose sum is σ = 3773174592. Its totient is φ = 2515449720.

The previous prime is 3144312151. The next prime is 3144312169. The reversal of 3144312155 is 5512134413.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 3144312155 - 2² = 3144312151 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3144312151) 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 in 3 ways as a sum of consecutive naturals, for example, 314431211 + ... + 314431220.

It is an arithmetic number, because the mean of its divisors is an integer number (943293648).

Almost surely, 2^3144312155 is an apocalyptic number.

3144312155 is a deficient number, since it is larger than the sum of its proper divisors (628862437).

3144312155 is an equidigital number, since it uses as much as digits as its factorization.

3144312155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 628862436.

The product of its digits is 7200, while the sum is 29.

The square root of 3144312155 is about 56074.1665564456. The cubic root of 3144312155 is about 1465.0143708282.

Adding to 3144312155 its reverse (5512134413), we get a palindrome (8656446568).

The spelling of 3144312155 in words is "three billion, one hundred forty-four million, three hundred twelve thousand, one hundred fifty-five".