11133402131 has 8 divisors (see below), whose sum is σ = 11170423824. Its totient is φ = 11096442720.

The previous prime is 11133402107. The next prime is 11133402169. The reversal of 11133402131 is 13120433111.

11133402131 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11133402131 - 2¹⁸ = 11133139987 is a prime.

It is a super-2 number, since 2×11133402131² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11133402101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 357185 + ... + 387101.

It is an arithmetic number, because the mean of its divisors is an integer number (1396302978).

Almost surely, 2^11133402131 is an apocalyptic number.

11133402131 is a deficient number, since it is larger than the sum of its proper divisors (37021693).

11133402131 is an equidigital number, since it uses as much as digits as its factorization.

11133402131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31141.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 11133402131 its reverse (13120433111), we get a palindrome (24253835242).

The spelling of 11133402131 in words is "eleven billion, one hundred thirty-three million, four hundred two thousand, one hundred thirty-one".