231146370 has 192 divisors, whose sum is σ = 748500480. Its totient is φ = 48477312.

The previous prime is 231146347. The next prime is 231146387. The reversal of 231146370 is 73641132.

231146370 is a `hidden beast` number, since 23 + 1 + 1 + 4 + 637 + 0 = 666.

231146370 is digitally balanced in base 3, 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 95 ways as a sum of consecutive naturals, for example, 1384027 + ... + 1384193.

It is an arithmetic number, because the mean of its divisors is an integer number (3898440).

Almost surely, 2^231146370 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 231146370, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (374250240).

231146370 is an abundant number, since it is smaller than the sum of its proper divisors (517354110).

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

231146370 is a wasteful number, since it uses less digits than its factorization.

231146370 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226 (or 197 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 27.

The square root of 231146370 is about 15203.4986105173. The cubic root of 231146370 is about 613.7088119774.

The spelling of 231146370 in words is "two hundred thirty-one million, one hundred forty-six thousand, three hundred seventy".