1112431311 has 48 divisors (see below), whose sum is σ = 1722040320. Its totient is φ = 690768000.

The previous prime is 1112431303. The next prime is 1112431357. The reversal of 1112431311 is 1131342111.

It is a happy number.

1112431311 is a `hidden beast` number, since 111 + 243 + 1 + 311 = 666.

1112431311 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1112431311 - 2³ = 1112431303 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1112431301) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 903066 + ... + 904296.

It is an arithmetic number, because the mean of its divisors is an integer number (35875840).

Almost surely, 2^1112431311 is an apocalyptic number.

1112431311 is a deficient number, since it is larger than the sum of its proper divisors (609609009).

1112431311 is a wasteful number, since it uses less digits than its factorization.

1112431311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1388 (or 1385 counting only the distinct ones).

The product of its digits is 72, while the sum is 18.

The square root of 1112431311 is about 33353.1304527776. The cubic root of 1112431311 is about 1036.1542230889.

Adding to 1112431311 its reverse (1131342111), we get a palindrome (2243773422).

The spelling of 1112431311 in words is "one billion, one hundred twelve million, four hundred thirty-one thousand, three hundred eleven".