11312311141 has 2 divisors, whose sum is σ = 11312311142. Its totient is φ = 11312311140.

The previous prime is 11312311117. The next prime is 11312311147. The reversal of 11312311141 is 14111321311.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10751616100 + 560695041 = 103690^2 + 23679^2 .

It is a cyclic number.

It is not a de Polignac number, because 11312311141 - 2²¹ = 11310213989 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11312311147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5656155570 + 5656155571.

It is an arithmetic number, because the mean of its divisors is an integer number (5656155571).

Almost surely, 2^11312311141 is an apocalyptic number.

It is an amenable number.

11312311141 is a deficient number, since it is larger than the sum of its proper divisors (1).

11312311141 is an equidigital number, since it uses as much as digits as its factorization.

11312311141 is an evil number, because the sum of its binary digits is even.

The product of its digits is 72, while the sum is 19.

Adding to 11312311141 its reverse (14111321311), we get a palindrome (25423632452).

The spelling of 11312311141 in words is "eleven billion, three hundred twelve million, three hundred eleven thousand, one hundred forty-one".