231325630 has 32 divisors (see below), whose sum is σ = 443037600. Its totient is φ = 86661120.

The previous prime is 231325621. The next prime is 231325643. The reversal of 231325630 is 36523132.

It is a happy number.

231325630 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 231325595 and 231325604.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32646 + ... + 39094.

It is an arithmetic number, because the mean of its divisors is an integer number (13844925).

Almost surely, 2^231325630 is an apocalyptic number.

231325630 is a deficient number, since it is larger than the sum of its proper divisors (211711970).

231325630 is a wasteful number, since it uses less digits than its factorization.

231325630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6684.

The product of its (nonzero) digits is 3240, while the sum is 25.

The square root of 231325630 is about 15209.3928215429. The cubic root of 231325630 is about 613.8674200121.

Adding to 231325630 its reverse (36523132), we get a palindrome (267848762).

The spelling of 231325630 in words is "two hundred thirty-one million, three hundred twenty-five thousand, six hundred thirty".