2003223311231 has 2 divisors, whose sum is σ = 2003223311232. Its totient is φ = 2003223311230.

The previous prime is 2003223311209. The next prime is 2003223311317. The reversal of 2003223311231 is 1321133223002.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2003223311231 is a prime.

It is a super-2 number, since 2×2003223311231² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2003223311197 and 2003223311206.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2003223311431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1001611655615 + 1001611655616.

It is an arithmetic number, because the mean of its divisors is an integer number (1001611655616).

Almost surely, 2^{2003223311231} is an apocalyptic number.

2003223311231 is a deficient number, since it is larger than the sum of its proper divisors (1).

2003223311231 is an equidigital number, since it uses as much as digits as its factorization.

2003223311231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 2003223311231 its reverse (1321133223002), we get a palindrome (3324356534233).

The spelling of 2003223311231 in words is "two trillion, three billion, two hundred twenty-three million, three hundred eleven thousand, two hundred thirty-one".