11404203131 has 2 divisors, whose sum is σ = 11404203132. Its totient is φ = 11404203130.

The previous prime is 11404203103. The next prime is 11404203133. The reversal of 11404203131 is 13130240411.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11404203131 is a prime.

It is a super-2 number, since 2×11404203131² (a number of 21 digits) contains 22 as substring.

Together with 11404203133, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (11404203133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5702101565 + 5702101566.

It is an arithmetic number, because the mean of its divisors is an integer number (5702101566).

Almost surely, 2^11404203131 is an apocalyptic number.

11404203131 is a deficient number, since it is larger than the sum of its proper divisors (1).

11404203131 is an equidigital number, since it uses as much as digits as its factorization.

11404203131 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 11404203131 its reverse (13130240411), we get a palindrome (24534443542).

The spelling of 11404203131 in words is "eleven billion, four hundred four million, two hundred three thousand, one hundred thirty-one".