231200132 has 12 divisors (see below), whose sum is σ = 425895120. Its totient is φ = 109515816.

The previous prime is 231200131. The next prime is 231200231. The reversal of 231200132 is 231002132.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (231200131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1520978 + ... + 1521129.

It is an arithmetic number, because the mean of its divisors is an integer number (35491260).

Almost surely, 2^231200132 is an apocalyptic number.

It is an amenable number.

231200132 is a deficient number, since it is larger than the sum of its proper divisors (194694988).

231200132 is a wasteful number, since it uses less digits than its factorization.

231200132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3042130 (or 3042128 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 231200132 is about 15205.2665876005. The cubic root of 231200132 is about 613.7563888374.

Adding to 231200132 its reverse (231002132), we get a palindrome (462202264).

The spelling of 231200132 in words is "two hundred thirty-one million, two hundred thousand, one hundred thirty-two".