231245830 has 16 divisors (see below), whose sum is σ = 425923344. Its totient is φ = 90347040.

The previous prime is 231245783. The next prime is 231245843. The reversal of 231245830 is 38542132.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 268461 + ... + 269320.

It is an arithmetic number, because the mean of its divisors is an integer number (26620209).

Almost surely, 2^231245830 is an apocalyptic number.

231245830 is a deficient number, since it is larger than the sum of its proper divisors (194677514).

231245830 is a wasteful number, since it uses less digits than its factorization.

231245830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 537831.

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 231245830 is about 15206.7692163720. The cubic root of 231245830 is about 613.7968236351.

Adding to 231245830 its reverse (38542132), we get a palindrome (269787962).

The spelling of 231245830 in words is "two hundred thirty-one million, two hundred forty-five thousand, eight hundred thirty".