201321031232 has 14 divisors (see below), whose sum is σ = 399496421478. Its totient is φ = 100660515584.

The previous prime is 201321031189. The next prime is 201321031273. The reversal of 201321031232 is 232130123102.

It can be written as a sum of positive squares in only one way, i.e., 181489632256 + 19831398976 = 426016^2 + 140824^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1572820493 + ... + 1572820620.

It is an arithmetic number, because the mean of its divisors is an integer number (28535458677).

Almost surely, 2^201321031232 is an apocalyptic number.

It is an amenable number.

201321031232 is a deficient number, since it is larger than the sum of its proper divisors (198175390246).

201321031232 is an equidigital number, since it uses as much as digits as its factorization.

201321031232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3145641125 (or 3145641115 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 201321031232 its reverse (232130123102), we get a palindrome (433451154334).

The spelling of 201321031232 in words is "two hundred one billion, three hundred twenty-one million, thirty-one thousand, two hundred thirty-two".