11131301213231 has 2 divisors, whose sum is σ = 11131301213232. Its totient is φ = 11131301213230.

The previous prime is 11131301213209. The next prime is 11131301213323. The reversal of 11131301213231 is 13231210313111.

11131301213231 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11131301213231 - 2³⁴ = 11114121344047 is a prime.

It is a super-2 number, since 2×11131301213231² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11131301213197 and 11131301213206.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11131301213531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5565650606615 + 5565650606616.

It is an arithmetic number, because the mean of its divisors is an integer number (5565650606616).

Almost surely, 2^{11131301213231} is an apocalyptic number.

11131301213231 is a deficient number, since it is larger than the sum of its proper divisors (1).

11131301213231 is an equidigital number, since it uses as much as digits as its factorization.

11131301213231 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 23.

Adding to 11131301213231 its reverse (13231210313111), we get a palindrome (24362511526342).

The spelling of 11131301213231 in words is "eleven trillion, one hundred thirty-one billion, three hundred one million, two hundred thirteen thousand, two hundred thirty-one".