230236831 has 32 divisors (see below), whose sum is σ = 279936000. Its totient is φ = 186785280.

The previous prime is 230236819. The next prime is 230236843. The reversal of 230236831 is 138632032.

It is an interprime number because it is at equal distance from previous prime (230236819) and next prime (230236843).

It is not a de Polignac number, because 230236831 - 2¹¹ = 230234783 is a prime.

It is a super-2 number, since 2×230236831² = 106017996697845122, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 230236831.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230236801) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 855765 + ... + 856033.

It is an arithmetic number, because the mean of its divisors is an integer number (8748000).

Almost surely, 2^230236831 is an apocalyptic number.

230236831 is a deficient number, since it is larger than the sum of its proper divisors (49699169).

230236831 is a wasteful number, since it uses less digits than its factorization.

230236831 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 519.

The product of its (nonzero) digits is 5184, while the sum is 28.

The square root of 230236831 is about 15173.5569659853. The cubic root of 230236831 is about 612.9027918956.

Adding to 230236831 its reverse (138632032), we get a palindrome (368868863).

The spelling of 230236831 in words is "two hundred thirty million, two hundred thirty-six thousand, eight hundred thirty-one".