231153030 has 48 divisors (see below), whose sum is σ = 606537360. Its totient is φ = 61072704.

The previous prime is 231153007. The next prime is 231153047. The reversal of 231153030 is 30351132.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 231152994 and 231153012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1972 + ... + 21591.

It is an arithmetic number, because the mean of its divisors is an integer number (12636195).

Almost surely, 2^231153030 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 231153030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (303268680).

231153030 is an abundant number, since it is smaller than the sum of its proper divisors (375384330).

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

231153030 is a wasteful number, since it uses less digits than its factorization.

231153030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23685 (or 23682 counting only the distinct ones).

The product of its (nonzero) digits is 270, while the sum is 18.

The square root of 231153030 is about 15203.7176374728. The cubic root of 231153030 is about 613.7147061667.

The spelling of 231153030 in words is "two hundred thirty-one million, one hundred fifty-three thousand, thirty".