111434351430 has 16 divisors (see below), whose sum is σ = 267442443504. Its totient is φ = 29715827040.

The previous prime is 111434351429. The next prime is 111434351453. The reversal of 111434351430 is 34153434111.

It is a super-2 number, since 2×111434351430² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 3714478381 = 111434351430 / (1 + 1 + 1 + 4 + 3 + 4 + 3 + 5 + 1 + 4 + 3 + 0).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1857239161 + ... + 1857239220.

It is an arithmetic number, because the mean of its divisors is an integer number (16715152719).

Almost surely, 2^111434351430 is an apocalyptic number.

111434351430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

111434351430 is an abundant number, since it is smaller than the sum of its proper divisors (156008092074).

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

111434351430 is a wasteful number, since it uses less digits than its factorization.

111434351430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3714478391.

The product of its (nonzero) digits is 8640, while the sum is 30.

Adding to 111434351430 its reverse (34153434111), we get a palindrome (145587785541).

The spelling of 111434351430 in words is "one hundred eleven billion, four hundred thirty-four million, three hundred fifty-one thousand, four hundred thirty".