201332331011 has 4 divisors (see below), whose sum is σ = 230094092592. Its totient is φ = 172570569432.

The previous prime is 201332330993. The next prime is 201332331023. The reversal of 201332331011 is 110133233102.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-201332331011 is a prime.

It is not an unprimeable number, because it can be changed into a prime (201332331041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14380880780 + ... + 14380880793.

It is an arithmetic number, because the mean of its divisors is an integer number (57523523148).

Almost surely, 2^201332331011 is an apocalyptic number.

201332331011 is a deficient number, since it is larger than the sum of its proper divisors (28761761581).

201332331011 is an equidigital number, since it uses as much as digits as its factorization.

201332331011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28761761580.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 201332331011 its reverse (110133233102), we get a palindrome (311465564113).

It can be divided in two parts, 20133233101 and 1, that added together give a palindrome (20133233102).

The spelling of 201332331011 in words is "two hundred one billion, three hundred thirty-two million, three hundred thirty-one thousand, eleven".