11434311013 has 2 divisors, whose sum is σ = 11434311014. Its totient is φ = 11434311012.

The previous prime is 11434310999. The next prime is 11434311029. The reversal of 11434311013 is 31011343411.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11422906884 + 11404129 = 106878^2 + 3377^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11434311013 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11434311043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5717155506 + 5717155507.

It is an arithmetic number, because the mean of its divisors is an integer number (5717155507).

Almost surely, 2^11434311013 is an apocalyptic number.

It is an amenable number.

11434311013 is a deficient number, since it is larger than the sum of its proper divisors (1).

11434311013 is an equidigital number, since it uses as much as digits as its factorization.

11434311013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 11434311013 its reverse (31011343411), we get a palindrome (42445654424).

The spelling of 11434311013 in words is "eleven billion, four hundred thirty-four million, three hundred eleven thousand, thirteen".