231630000 has 200 divisors, whose sum is σ = 855326208. Its totient is φ = 52896000.

The previous prime is 231629971. The next prime is 231630013. The reversal of 231630000 is 36132.

231630000 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (200).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 209449 + ... + 210551.

Almost surely, 2^231630000 is an apocalyptic number.

231630000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 231630000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (427663104).

231630000 is an abundant number, since it is smaller than the sum of its proper divisors (623696208).

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

231630000 is a wasteful number, since it uses less digits than its factorization.

231630000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1141 (or 1120 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 15.

The square root of 231630000 is about 15219.3955201907. The cubic root of 231630000 is about 614.1365369555.

Adding to 231630000 its reverse (36132), we get a palindrome (231666132).

The spelling of 231630000 in words is "two hundred thirty-one million, six hundred thirty thousand".