2001031232 has 14 divisors (see below), whose sum is σ = 3970796478. Its totient is φ = 1000515584.

The previous prime is 2001031229. The next prime is 2001031237. The reversal of 2001031232 is 2321301002.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1969939456 + 31091776 = 44384^2 + 5576^2 .

It is not an unprimeable number, because it can be changed into a prime (2001031237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15632993 + ... + 15633120.

Almost surely, 2^2001031232 is an apocalyptic number.

It is an amenable number.

2001031232 is a deficient number, since it is larger than the sum of its proper divisors (1969765246).

2001031232 is an equidigital number, since it uses as much as digits as its factorization.

2001031232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31266125 (or 31266115 counting only the distinct ones).

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

The square root of 2001031232 is about 44732.8875884399. The cubic root of 2001031232 is about 1260.1375578382.

Adding to 2001031232 its reverse (2321301002), we get a palindrome (4322332234).

The spelling of 2001031232 in words is "two billion, one million, thirty-one thousand, two hundred thirty-two".