2155310303 has 8 divisors (see below), whose sum is σ = 2284614720. Its totient is φ = 2026286080.

The previous prime is 2155310281. The next prime is 2155310321. The reversal of 2155310303 is 3030135512.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2155310303 - 2²⁰ = 2154261727 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2155310503) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54098 + ... + 85071.

It is an arithmetic number, because the mean of its divisors is an integer number (285576840).

Almost surely, 2^2155310303 is an apocalyptic number.

2155310303 is a deficient number, since it is larger than the sum of its proper divisors (129304417).

2155310303 is a wasteful number, since it uses less digits than its factorization.

2155310303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140097.

The product of its (nonzero) digits is 1350, while the sum is 23.

The square root of 2155310303 is about 46425.3196327177. The cubic root of 2155310303 is about 1291.7246133772.

Adding to 2155310303 its reverse (3030135512), we get a palindrome (5185445815).

The spelling of 2155310303 in words is "two billion, one hundred fifty-five million, three hundred ten thousand, three hundred three".