11311442434 has 4 divisors (see below), whose sum is σ = 16967163654. Its totient is φ = 5655721216.

The previous prime is 11311442419. The next prime is 11311442503. The reversal of 11311442434 is 43424411311.

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

It can be written as a sum of positive squares in only one way, i.e., 6749115409 + 4562327025 = 82153^2 + 67545^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2827860607 + ... + 2827860610.

Almost surely, 2^11311442434 is an apocalyptic number.

11311442434 is a deficient number, since it is larger than the sum of its proper divisors (5655721220).

11311442434 is an equidigital number, since it uses as much as digits as its factorization.

11311442434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5655721219.

The product of its digits is 4608, while the sum is 28.

Adding to 11311442434 its reverse (43424411311), we get a palindrome (54735853745).

The spelling of 11311442434 in words is "eleven billion, three hundred eleven million, four hundred forty-two thousand, four hundred thirty-four".