201003022231 has 4 divisors (see below), whose sum is σ = 219276024264. Its totient is φ = 182730020200.

The previous prime is 201003022211. The next prime is 201003022243. The reversal of 201003022231 is 132220300102.

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-201003022231 is a prime.

It is a super-2 number, since 2×201003022231² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201003022211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9136501000 + ... + 9136501021.

It is an arithmetic number, because the mean of its divisors is an integer number (54819006066).

Almost surely, 2^201003022231 is an apocalyptic number.

201003022231 is a deficient number, since it is larger than the sum of its proper divisors (18273002033).

201003022231 is a wasteful number, since it uses less digits than its factorization.

201003022231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18273002032.

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 201003022231 its reverse (132220300102), we get a palindrome (333223322333).

The spelling of 201003022231 in words is "two hundred one billion, three million, twenty-two thousand, two hundred thirty-one".