232131730 has 8 divisors (see below), whose sum is σ = 417837132. Its totient is φ = 92852688.

The previous prime is 232131707. The next prime is 232131749. The reversal of 232131730 is 37131232.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 209120521 + 23011209 = 14461^2 + 4797^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 11606577 + ... + 11606596.

Almost surely, 2^232131730 is an apocalyptic number.

232131730 is a deficient number, since it is larger than the sum of its proper divisors (185705402).

232131730 is a wasteful number, since it uses less digits than its factorization.

232131730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23213180.

The product of its (nonzero) digits is 756, while the sum is 22.

The square root of 232131730 is about 15235.8698471732. The cubic root of 232131730 is about 614.5796409188.

Adding to 232131730 its reverse (37131232), we get a palindrome (269262962).

The spelling of 232131730 in words is "two hundred thirty-two million, one hundred thirty-one thousand, seven hundred thirty".