111131434 has 8 divisors (see below), whose sum is σ = 167628960. Its totient is φ = 55255116.

The previous prime is 111131429. The next prime is 111131441. The reversal of 111131434 is 434131111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 154854 + ... + 155569.

It is an arithmetic number, because the mean of its divisors is an integer number (20953620).

Almost surely, 2^111131434 is an apocalyptic number.

111131434 is a deficient number, since it is larger than the sum of its proper divisors (56497526).

111131434 is a wasteful number, since it uses less digits than its factorization.

111131434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 310604.

The product of its digits is 144, while the sum is 19.

The square root of 111131434 is about 10541.8894890812. The cubic root of 111131434 is about 480.7791656601.

Adding to 111131434 its reverse (434131111), we get a palindrome (545262545).

The spelling of 111131434 in words is "one hundred eleven million, one hundred thirty-one thousand, four hundred thirty-four".