3155428331 has 16 divisors (see below), whose sum is σ = 3530373120. Its totient is φ = 2795681280.

The previous prime is 3155428321. The next prime is 3155428343. The reversal of 3155428331 is 1338245513.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3155428331 is a prime.

It is a super-2 number, since 2×3155428331² = 19913455904154891122, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3155428291 and 3155428300.

It is not an unprimeable number, because it can be changed into a prime (3155428301) 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, 110795 + ... + 136331.

It is an arithmetic number, because the mean of its divisors is an integer number (220648320).

Almost surely, 2^3155428331 is an apocalyptic number.

3155428331 is a deficient number, since it is larger than the sum of its proper divisors (374944789).

3155428331 is a wasteful number, since it uses less digits than its factorization.

3155428331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25834.

The product of its digits is 43200, while the sum is 35.

The square root of 3155428331 is about 56173.1994014939. The cubic root of 3155428331 is about 1466.7387759370.

The spelling of 3155428331 in words is "three billion, one hundred fifty-five million, four hundred twenty-eight thousand, three hundred thirty-one".