11231342434 has 32 divisors (see below), whose sum is σ = 20221246080. Its totient is φ = 4621992192.

The previous prime is 11231342431. The next prime is 11231342513. The reversal of 11231342434 is 43424313211.

It is a happy number.

It is a super-2 number, since 2×11231342434² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11231342431) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 660294 + ... + 677089.

It is an arithmetic number, because the mean of its divisors is an integer number (631913940).

Almost surely, 2^11231342434 is an apocalyptic number.

11231342434 is a deficient number, since it is larger than the sum of its proper divisors (8989903646).

11231342434 is a wasteful number, since it uses less digits than its factorization.

11231342434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1337434.

The product of its digits is 6912, while the sum is 28.

Adding to 11231342434 its reverse (43424313211), we get a palindrome (54655655645).

The spelling of 11231342434 in words is "eleven billion, two hundred thirty-one million, three hundred forty-two thousand, four hundred thirty-four".