11333133131 has 2 divisors, whose sum is σ = 11333133132. Its totient is φ = 11333133130.

The previous prime is 11333133089. The next prime is 11333133169. The reversal of 11333133131 is 13133133311.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11333133131 - 2⁶ = 11333133067 is a prime.

It is a super-2 number, since 2×11333133131² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11333133097 and 11333133106.

It is not a weakly prime, because it can be changed into another prime (11333133431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5666566565 + 5666566566.

It is an arithmetic number, because the mean of its divisors is an integer number (5666566566).

Almost surely, 2^11333133131 is an apocalyptic number.

11333133131 is a deficient number, since it is larger than the sum of its proper divisors (1).

11333133131 is an equidigital number, since it uses as much as digits as its factorization.

11333133131 is an evil number, because the sum of its binary digits is even.

The product of its digits is 729, while the sum is 23.

Adding to 11333133131 its reverse (13133133311), we get a palindrome (24466266442).

The spelling of 11333133131 in words is "eleven billion, three hundred thirty-three million, one hundred thirty-three thousand, one hundred thirty-one".