231430704 has 20 divisors (see below), whose sum is σ = 597862776. Its totient is φ = 77143552.

The previous prime is 231430699. The next prime is 231430709. The reversal of 231430704 is 407034132.

231430704 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (231430699) and next prime (231430709).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (231430709) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2410689 + ... + 2410784.

Almost surely, 2^231430704 is an apocalyptic number.

231430704 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

231430704 is an abundant number, since it is smaller than the sum of its proper divisors (366432072).

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

231430704 is a wasteful number, since it uses less digits than its factorization.

231430704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4821484 (or 4821478 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 24.

The square root of 231430704 is about 15212.8466764114. The cubic root of 231430704 is about 613.9603506883.

Adding to 231430704 its reverse (407034132), we get a palindrome (638464836).

The spelling of 231430704 in words is "two hundred thirty-one million, four hundred thirty thousand, seven hundred four".