1111313444 has 6 divisors (see below), whose sum is σ = 1944798534.
Its totient is φ = 555656720.
The previous prime is 1111313417. The next prime is 1111313473. The reversal of 1111313444 is 4443131111.
It can be written as a sum of positive squares in only one way, i.e., 667705600 + 443607844 = 25840^2 + 21062^2
It is a super-2 number, since 2×11113134442 = 2470035141630282272, which contains 22 as substring.
It is an unprimeable number.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 138914177 + ... + 138914184.
It is an arithmetic number, because the mean of its divisors is an integer number (324133089).
Almost surely, 21111313444 is an apocalyptic number.
It is an amenable number.
1111313444 is a deficient number, since it is larger than the sum of its proper divisors (833485090).
1111313444 is a wasteful number, since it uses less digits than its factorization.
1111313444 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 277828365 (or 277828363 counting only the distinct ones).
The product of its digits is 576, while the sum is 23.
The square root of 1111313444 is about 33336.3681885115.
The cubic root of 1111313444 is about 1035.8070343684.
Adding to 1111313444 its reverse (4443131111), we get a palindrome (5554444555).
The spelling of 1111313444 in words is "one billion, one hundred eleven million, three hundred thirteen thousand, four hundred forty-four".