11344121231 has 2 divisors, whose sum is σ = 11344121232. Its totient is φ = 11344121230.

The previous prime is 11344121177. The next prime is 11344121251. The reversal of 11344121231 is 13212144311.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11344121231 is a prime.

It is a super-2 number, since 2×11344121231² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11344121197 and 11344121206.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11344121251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5672060615 + 5672060616.

It is an arithmetic number, because the mean of its divisors is an integer number (5672060616).

Almost surely, 2^11344121231 is an apocalyptic number.

11344121231 is a deficient number, since it is larger than the sum of its proper divisors (1).

11344121231 is an equidigital number, since it uses as much as digits as its factorization.

11344121231 is an evil number, because the sum of its binary digits is even.

The product of its digits is 576, while the sum is 23.

Adding to 11344121231 its reverse (13212144311), we get a palindrome (24556265542).

The spelling of 11344121231 in words is "eleven billion, three hundred forty-four million, one hundred twenty-one thousand, two hundred thirty-one".