231601450 has 48 divisors (see below), whose sum is σ = 457158240. Its totient is φ = 87048000.

The previous prime is 231601427. The next prime is 231601459. The reversal of 231601450 is 54106132.

It is not an unprimeable number, because it can be changed into a prime (231601459) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 123520 + ... + 125380.

It is an arithmetic number, because the mean of its divisors is an integer number (9524130).

Almost surely, 2^231601450 is an apocalyptic number.

231601450 is a deficient number, since it is larger than the sum of its proper divisors (225556790).

231601450 is a wasteful number, since it uses less digits than its factorization.

231601450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2023 (or 2018 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 231601450 is about 15218.4575433912. The cubic root of 231601450 is about 614.1113037264. Note that the first 3 decimals are identical.

Adding to 231601450 its reverse (54106132), we get a palindrome (285707582).

The spelling of 231601450 in words is "two hundred thirty-one million, six hundred one thousand, four hundred fifty".