111431434024 has 8 divisors (see below), whose sum is σ = 208933938810. Its totient is φ = 55715717008.

The previous prime is 111431434001. The next prime is 111431434033. The reversal of 111431434024 is 420434134111.

It can be written as a sum of positive squares in only one way, i.e., 71743622500 + 39687811524 = 267850^2 + 199218^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 111431433983 and 111431434001.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6964464619 + ... + 6964464634.

Almost surely, 2^111431434024 is an apocalyptic number.

It is an amenable number.

111431434024 is a deficient number, since it is larger than the sum of its proper divisors (97502504786).

111431434024 is a wasteful number, since it uses less digits than its factorization.

111431434024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13928929259 (or 13928929255 counting only the distinct ones).

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

Adding to 111431434024 its reverse (420434134111), we get a palindrome (531865568135).

The spelling of 111431434024 in words is "one hundred eleven billion, four hundred thirty-one million, four hundred thirty-four thousand, twenty-four".