11312014421243 has 2 divisors, whose sum is σ = 11312014421244. Its totient is φ = 11312014421242.

The previous prime is 11312014421231. The next prime is 11312014421251. The reversal of 11312014421243 is 34212441021311.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11312014421243 - 2¹⁸ = 11312014159099 is a prime.

It is not a weakly prime, because it can be changed into another prime (11312014421443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5656007210621 + 5656007210622.

It is an arithmetic number, because the mean of its divisors is an integer number (5656007210622).

Almost surely, 2^{11312014421243} is an apocalyptic number.

11312014421243 is a deficient number, since it is larger than the sum of its proper divisors (1).

11312014421243 is an equidigital number, since it uses as much as digits as its factorization.

11312014421243 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4608, while the sum is 29.

Adding to 11312014421243 its reverse (34212441021311), we get a palindrome (45524455442554).

The spelling of 11312014421243 in words is "eleven trillion, three hundred twelve billion, fourteen million, four hundred twenty-one thousand, two hundred forty-three".