231250030 has 16 divisors (see below), whose sum is σ = 454091184. Its totient is φ = 84090880.

The previous prime is 231250021. The next prime is 231250039. The reversal of 231250030 is 30052132.

231250030 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (231250021) and next prime (231250039).

It is a junction number, because it is equal to n+sod(n) for n = 231249986 and 231250013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231250039) 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, 1051027 + ... + 1051246.

It is an arithmetic number, because the mean of its divisors is an integer number (28380699).

Almost surely, 2^231250030 is an apocalyptic number.

231250030 is a deficient number, since it is larger than the sum of its proper divisors (222841154).

231250030 is a wasteful number, since it uses less digits than its factorization.

231250030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2102291.

The product of its (nonzero) digits is 180, while the sum is 16.

The square root of 231250030 is about 15206.9073121394. The cubic root of 231250030 is about 613.8005396388.

The spelling of 231250030 in words is "two hundred thirty-one million, two hundred fifty thousand, thirty".