231032012 has 12 divisors (see below), whose sum is σ = 410000976. Its totient is φ = 113888880.

The previous prime is 231031973. The next prime is 231032017. The reversal of 231032012 is 210230132.

It is a happy number.

231032012 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (231032017) by changing a digit.

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, 406463 + ... + 407030.

It is an arithmetic number, because the mean of its divisors is an integer number (34166748).

Almost surely, 2^231032012 is an apocalyptic number.

It is an amenable number.

231032012 is a deficient number, since it is larger than the sum of its proper divisors (178968964).

231032012 is a wasteful number, since it uses less digits than its factorization.

231032012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 813568 (or 813566 counting only the distinct ones).

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

The square root of 231032012 is about 15199.7372345709. The cubic root of 231032012 is about 613.6075859453.

Adding to 231032012 its reverse (210230132), we get a palindrome (441262144).

The spelling of 231032012 in words is "two hundred thirty-one million, thirty-two thousand, twelve".