230031189 has 6 divisors (see below), whose sum is σ = 332267286. Its totient is φ = 153354120.

The previous prime is 230031169. The next prime is 230031251. The reversal of 230031189 is 981130032.

It can be written as a sum of positive squares in only one way, i.e., 225991089 + 4040100 = 15033^2 + 2010^2 .

It is not a de Polignac number, because 230031189 - 2¹² = 230027093 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230031169) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 12779502 + ... + 12779519.

It is an arithmetic number, because the mean of its divisors is an integer number (55377881).

Almost surely, 2^230031189 is an apocalyptic number.

It is an amenable number.

230031189 is a deficient number, since it is larger than the sum of its proper divisors (102236097).

230031189 is a wasteful number, since it uses less digits than its factorization.

230031189 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25559027 (or 25559024 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The square root of 230031189 is about 15166.7791241252. The cubic root of 230031189 is about 612.7202608631.

It can be divided in two parts, 2300 and 31189, that added together give a square (33489 = 183²).

The spelling of 230031189 in words is "two hundred thirty million, thirty-one thousand, one hundred eighty-nine".