11003342131 has 4 divisors (see below), whose sum is σ = 11004801912. Its totient is φ = 11001882352.

The previous prime is 11003342113. The next prime is 11003342183. The reversal of 11003342131 is 13124330011.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11003342131 is a prime.

It is a super-2 number, since 2×11003342131² (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 = 11003342099 and 11003342108.

It is not an unprimeable number, because it can be changed into a prime (11003342101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 718525 + ... + 733678.

It is an arithmetic number, because the mean of its divisors is an integer number (2751200478).

Almost surely, 2^11003342131 is an apocalyptic number.

11003342131 is a deficient number, since it is larger than the sum of its proper divisors (1459781).

11003342131 is an equidigital number, since it uses as much as digits as its factorization.

11003342131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1459780.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 11003342131 its reverse (13124330011), we get a palindrome (24127672142).

The spelling of 11003342131 in words is "eleven billion, three million, three hundred forty-two thousand, one hundred thirty-one".