231310030 has 64 divisors (see below), whose sum is σ = 490033152. Its totient is φ = 76970880.

The previous prime is 231310019. The next prime is 231310091. The reversal of 231310030 is 30013132.

231310030 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 549220 + ... + 549640.

It is an arithmetic number, because the mean of its divisors is an integer number (7656768).

Almost surely, 2^231310030 is an apocalyptic number.

231310030 is an abundant number, since it is smaller than the sum of its proper divisors (258723122).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

231310030 is a wasteful number, since it uses less digits than its factorization.

231310030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 649.

The product of its (nonzero) digits is 54, while the sum is 13.

The square root of 231310030 is about 15208.8799719111. The cubic root of 231310030 is about 613.8536204935.

Adding to 231310030 its reverse (30013132), we get a palindrome (261323162).

The spelling of 231310030 in words is "two hundred thirty-one million, three hundred ten thousand, thirty".