111431034 has 48 divisors (see below), whose sum is σ = 283649184. Its totient is φ = 31168800.

The previous prime is 111431003. The next prime is 111431041. The reversal of 111431034 is 430134111.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 111430998 and 111431016.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19072 + ... + 24219.

It is an arithmetic number, because the mean of its divisors is an integer number (5909358).

Almost surely, 2^111431034 is an apocalyptic number.

111431034 is an abundant number, since it is smaller than the sum of its proper divisors (172218150).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

111431034 is a wasteful number, since it uses less digits than its factorization.

111431034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43323 (or 43320 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 111431034 is about 10556.0899010950. The cubic root of 111431034 is about 481.2108232796.

Adding to 111431034 its reverse (430134111), we get a palindrome (541565145).

The spelling of 111431034 in words is "one hundred eleven million, four hundred thirty-one thousand, thirty-four".