231430602 has 48 divisors (see below), whose sum is σ = 526145760. Its totient is φ = 67453344.

The previous prime is 231430561. The next prime is 231430637. The reversal of 231430602 is 206034132.

It is a happy 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, 24049 + ... + 32267.

It is an arithmetic number, because the mean of its divisors is an integer number (10961370).

Almost surely, 2^231430602 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 231430602, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (263072880).

231430602 is an abundant number, since it is smaller than the sum of its proper divisors (294715158).

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

231430602 is a wasteful number, since it uses less digits than its factorization.

231430602 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8275 (or 8256 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 231430602 is about 15212.8433239812. The cubic root of 231430602 is about 613.9602604901.

Adding to 231430602 its reverse (206034132), we get a palindrome (437464734).

The spelling of 231430602 in words is "two hundred thirty-one million, four hundred thirty thousand, six hundred two".