228873031 has 16 divisors (see below), whose sum is σ = 252144640. Its totient is φ = 206919360.

The previous prime is 228872953. The next prime is 228873041. The reversal of 228873031 is 130378822.

228873031 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 228873031 - 2⁹ = 228872519 is a prime.

It is a super-2 number, since 2×228873031² = 104765728638253922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228873041) 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, 40336 + ... + 45658.

It is an arithmetic number, because the mean of its divisors is an integer number (15759040).

Almost surely, 2^228873031 is an apocalyptic number.

228873031 is a deficient number, since it is larger than the sum of its proper divisors (23271609).

228873031 is a wasteful number, since it uses less digits than its factorization.

228873031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5446.

The product of its (nonzero) digits is 16128, while the sum is 34.

The square root of 228873031 is about 15128.5501949129. The cubic root of 228873031 is about 611.6902249545.

The spelling of 228873031 in words is "two hundred twenty-eight million, eight hundred seventy-three thousand, thirty-one".