11342142313 has 4 divisors (see below), whose sum is σ = 11342805460. Its totient is φ = 11341479168.

The previous prime is 11342142307. The next prime is 11342142337. The reversal of 11342142313 is 31324124311.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 436099689 + 10906042624 = 20883^2 + 104432^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11342142313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11342142373) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 305220 + ... + 340357.

It is an arithmetic number, because the mean of its divisors is an integer number (2835701365).

Almost surely, 2^11342142313 is an apocalyptic number.

It is an amenable number.

11342142313 is a deficient number, since it is larger than the sum of its proper divisors (663147).

11342142313 is an equidigital number, since it uses as much as digits as its factorization.

11342142313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 663146.

The product of its digits is 1728, while the sum is 25.

Adding to 11342142313 its reverse (31324124311), we get a palindrome (42666266624).

The spelling of 11342142313 in words is "eleven billion, three hundred forty-two million, one hundred forty-two thousand, three hundred thirteen".