231629830 has 24 divisors (see below), whose sum is σ = 430834896. Its totient is φ = 89659440.

The previous prime is 231629813. The next prime is 231629833. The reversal of 231629830 is 38926132.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231629833) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2442 + ... + 21661.

It is an arithmetic number, because the mean of its divisors is an integer number (17951454).

Almost surely, 2^231629830 is an apocalyptic number.

231629830 is a deficient number, since it is larger than the sum of its proper divisors (199205066).

231629830 is a wasteful number, since it uses less digits than its factorization.

231629830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24172 (or 24141 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 34.

The square root of 231629830 is about 15219.3899352109. The cubic root of 231629830 is about 614.1363867113.

The spelling of 231629830 in words is "two hundred thirty-one million, six hundred twenty-nine thousand, eight hundred thirty".