231304350 has 24 divisors (see below), whose sum is σ = 573635160. Its totient is φ = 61681120.

The previous prime is 231304321. The next prime is 231304351. The reversal of 231304350 is 53403132.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231304351) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 770865 + ... + 771164.

It is an arithmetic number, because the mean of its divisors is an integer number (23901465).

Almost surely, 2^231304350 is an apocalyptic number.

231304350 is an abundant number, since it is smaller than the sum of its proper divisors (342330810).

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

231304350 is a wasteful number, since it uses less digits than its factorization.

231304350 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1542044 (or 1542039 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 21.

The square root of 231304350 is about 15208.6932377506. The cubic root of 231304350 is about 613.8485958993.

Adding to 231304350 its reverse (53403132), we get a palindrome (284707482).

The spelling of 231304350 in words is "two hundred thirty-one million, three hundred four thousand, three hundred fifty".