2231500203 has 6 divisors (see below), whose sum is σ = 3223278084. Its totient is φ = 1487666796.

The previous prime is 2231500171. The next prime is 2231500213. The reversal of 2231500203 is 3020051322.

2231500203 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2231500203 - 2⁵ = 2231500171 is a prime.

It is a super-3 number, since 3×2231500203³ (a number of 29 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (2231500213) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 123972225 + ... + 123972242.

It is an arithmetic number, because the mean of its divisors is an integer number (537213014).

Almost surely, 2^2231500203 is an apocalyptic number.

2231500203 is a deficient number, since it is larger than the sum of its proper divisors (991777881).

2231500203 is a wasteful number, since it uses less digits than its factorization.

2231500203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 247944473 (or 247944470 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 2231500203 is about 47238.7574243862. The cubic root of 2231500203 is about 1306.7694621061.

Adding to 2231500203 its reverse (3020051322), we get a palindrome (5251551525).

The spelling of 2231500203 in words is "two billion, two hundred thirty-one million, five hundred thousand, two hundred three".