231228327 has 16 divisors (see below), whose sum is σ = 341072640. Its totient is φ = 138163200.

The previous prime is 231228317. The next prime is 231228331. The reversal of 231228327 is 723822132.

231228327 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 231228327 - 2⁷ = 231228199 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 231228294 and 231228303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231228317) 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, 47002 + ... + 51687.

It is an arithmetic number, because the mean of its divisors is an integer number (21317040).

Almost surely, 2^231228327 is an apocalyptic number.

231228327 is a deficient number, since it is larger than the sum of its proper divisors (109844313).

231228327 is a wasteful number, since it uses less digits than its factorization.

231228327 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98774.

The product of its digits is 8064, while the sum is 30.

The square root of 231228327 is about 15206.1937051979. The cubic root of 231228327 is about 613.7813371478.

The spelling of 231228327 in words is "two hundred thirty-one million, two hundred twenty-eight thousand, three hundred twenty-seven".