231077412 has 72 divisors (see below), whose sum is σ = 618019584. Its totient is φ = 72648576.

The previous prime is 231077393. The next prime is 231077417. The reversal of 231077412 is 214770132.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (231077417) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 58533 + ... + 62355.

Almost surely, 2^231077412 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 231077412, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (309009792).

231077412 is an abundant number, since it is smaller than the sum of its proper divisors (386942172).

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

231077412 is a wasteful number, since it uses less digits than its factorization.

231077412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3929 (or 3924 counting only the distinct ones).

The product of its (nonzero) digits is 2352, while the sum is 27.

The square root of 231077412 is about 15201.2306080791. The cubic root of 231077412 is about 613.6477765659.

The spelling of 231077412 in words is "two hundred thirty-one million, seventy-seven thousand, four hundred twelve".