1111042312 has 16 divisors (see below), whose sum is σ = 2083666860. Its totient is φ = 555397824.

The previous prime is 1111042267. The next prime is 1111042321. The reversal of 1111042312 is 2132401111.

It can be written as a sum of positive squares in 2 ways, for example, as 1021058116 + 89984196 = 31954^2 + 9486^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31138 + ... + 56494.

Almost surely, 2^1111042312 is an apocalyptic number.

It is an amenable number.

1111042312 is a deficient number, since it is larger than the sum of its proper divisors (972624548).

1111042312 is a wasteful number, since it uses less digits than its factorization.

1111042312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30840 (or 30836 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 16.

The square root of 1111042312 is about 33332.3013306912. The cubic root of 1111042312 is about 1035.7227907266.

Adding to 1111042312 its reverse (2132401111), we get a palindrome (3243443423).

The spelling of 1111042312 in words is "one billion, one hundred eleven million, forty-two thousand, three hundred twelve".