11032313231 has 2 divisors, whose sum is σ = 11032313232. Its totient is φ = 11032313230.

The previous prime is 11032313219. The next prime is 11032313291. The reversal of 11032313231 is 13231323011.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11032313231 - 2⁶ = 11032313167 is a prime.

It is a super-2 number, since 2×11032313231² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11032313291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5516156615 + 5516156616.

It is an arithmetic number, because the mean of its divisors is an integer number (5516156616).

Almost surely, 2^11032313231 is an apocalyptic number.

11032313231 is a deficient number, since it is larger than the sum of its proper divisors (1).

11032313231 is an equidigital number, since it uses as much as digits as its factorization.

11032313231 is an odious number, because the sum of its binary digits is odd.

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

Adding to 11032313231 its reverse (13231323011), we get a palindrome (24263636242).

The spelling of 11032313231 in words is "eleven billion, thirty-two million, three hundred thirteen thousand, two hundred thirty-one".