2201030231 has 4 divisors (see below), whose sum is σ = 2201221464. Its totient is φ = 2200839000.

The previous prime is 2201030203. The next prime is 2201030233. The reversal of 2201030231 is 1320301022.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 2201030231 - 2¹⁴ = 2201013847 is a prime.

It is a super-2 number, since 2×2201030231² = 9689068155551826722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2201030233) 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, 77165 + ... + 101766.

It is an arithmetic number, because the mean of its divisors is an integer number (550305366).

Almost surely, 2^2201030231 is an apocalyptic number.

2201030231 is a deficient number, since it is larger than the sum of its proper divisors (191233).

2201030231 is a wasteful number, since it uses less digits than its factorization.

2201030231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191232.

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

The square root of 2201030231 is about 46915.1386121793. The cubic root of 2201030231 is about 1300.7944317798.

Adding to 2201030231 its reverse (1320301022), we get a palindrome (3521331253).

The spelling of 2201030231 in words is "two billion, two hundred one million, thirty thousand, two hundred thirty-one".