11333201131 has 24 divisors (see below), whose sum is σ = 13955364720. Its totient is φ = 9161030592.

The previous prime is 11333201129. The next prime is 11333201153. The reversal of 11333201131 is 13110233311.

It is not a de Polignac number, because 11333201131 - 2¹ = 11333201129 is a prime.

It is a super-2 number, since 2×11333201131² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11333201099 and 11333201108.

It is not an unprimeable number, because it can be changed into a prime (11333201161) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 31636 + ... + 153841.

It is an arithmetic number, because the mean of its divisors is an integer number (581473530).

Almost surely, 2^11333201131 is an apocalyptic number.

11333201131 is a deficient number, since it is larger than the sum of its proper divisors (2622163589).

11333201131 is a wasteful number, since it uses less digits than its factorization.

11333201131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185563 (or 185556 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 19.

Adding to 11333201131 its reverse (13110233311), we get a palindrome (24443434442).

The spelling of 11333201131 in words is "eleven billion, three hundred thirty-three million, two hundred one thousand, one hundred thirty-one".