11130332231 has 2 divisors, whose sum is σ = 11130332232. Its totient is φ = 11130332230.

The previous prime is 11130332173. The next prime is 11130332263. The reversal of 11130332231 is 13223303111.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11130332231 - 2¹⁸ = 11130070087 is a prime.

It is a super-2 number, since 2×11130332231² (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 (11130352231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5565166115 + 5565166116.

It is an arithmetic number, because the mean of its divisors is an integer number (5565166116).

Almost surely, 2^11130332231 is an apocalyptic number.

11130332231 is a deficient number, since it is larger than the sum of its proper divisors (1).

11130332231 is an equidigital number, since it uses as much as digits as its factorization.

11130332231 is an evil number, because the sum of its binary digits is even.

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

Adding to 11130332231 its reverse (13223303111), we get a palindrome (24353635342).

The spelling of 11130332231 in words is "eleven billion, one hundred thirty million, three hundred thirty-two thousand, two hundred thirty-one".