11311034243013 has 6 divisors (see below), whose sum is σ = 16338160573254. Its totient is φ = 7540689495336.

The previous prime is 11311034242999. The next prime is 11311034243027. The reversal of 11311034243013 is 31034243011311.

11311034243013 is a `hidden beast` number, since 1 + 1 + 3 + 1 + 10 + 342 + 4 + 301 + 3 = 666.

11311034243013 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (11311034242999) and next prime (11311034243027).

It can be written as a sum of positive squares in only one way, i.e., 7781321408004 + 3529712835009 = 2789502^2 + 1878753^2 .

It is not a de Polignac number, because 11311034243013 - 2¹⁰ = 11311034241989 is a prime.

It is a super-2 number, since 2×11311034243013² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11311034243813) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 628390791270 + ... + 628390791287.

It is an arithmetic number, because the mean of its divisors is an integer number (2723026762209).

Almost surely, 2^{11311034243013} is an apocalyptic number.

It is an amenable number.

11311034243013 is a deficient number, since it is larger than the sum of its proper divisors (5027126330241).

11311034243013 is a wasteful number, since it uses less digits than its factorization.

11311034243013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1256781582563 (or 1256781582560 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

Adding to 11311034243013 its reverse (31034243011311), we get a palindrome (42345277254324).

The spelling of 11311034243013 in words is "eleven trillion, three hundred eleven billion, thirty-four million, two hundred forty-three thousand, thirteen".