6331312155 has 16 divisors (see below), whose sum is σ = 11577256704. Its totient is φ = 2894314080.

The previous prime is 6331312151. The next prime is 6331312223. The reversal of 6331312155 is 5512131336.

It is not a de Polignac number, because 6331312155 - 2² = 6331312151 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6331312151) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30149001 + ... + 30149210.

It is an arithmetic number, because the mean of its divisors is an integer number (723578544).

Almost surely, 2^6331312155 is an apocalyptic number.

6331312155 is a deficient number, since it is larger than the sum of its proper divisors (5245944549).

6331312155 is a wasteful number, since it uses less digits than its factorization.

6331312155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60298226.

The product of its digits is 8100, while the sum is 30.

The square root of 6331312155 is about 79569.5428854534. The cubic root of 6331312155 is about 1849.9695300557.

The spelling of 6331312155 in words is "six billion, three hundred thirty-one million, three hundred twelve thousand, one hundred fifty-five".