201031332240 has 40 divisors (see below), whose sum is σ = 623197130688. Its totient is φ = 53608355200.

The previous prime is 201031332239. The next prime is 201031332247. The reversal of 201031332240 is 42233130102.

201031332240 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (40).

It is not an unprimeable number, because it can be changed into a prime (201031332247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 418815036 + ... + 418815515.

Almost surely, 2^201031332240 is an apocalyptic number.

201031332240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201031332240 is an abundant number, since it is smaller than the sum of its proper divisors (422165798448).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

201031332240 is a wasteful number, since it uses less digits than its factorization.

201031332240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 837630567 (or 837630561 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 201031332240 its reverse (42233130102), we get a palindrome (243264462342).

The spelling of 201031332240 in words is "two hundred one billion, thirty-one million, three hundred thirty-two thousand, two hundred forty".