111302031420 has 48 divisors (see below), whose sum is σ = 346272988320. Its totient is φ = 29680541568.

The previous prime is 111302031403. The next prime is 111302031433. The reversal of 111302031420 is 24130203111.

111302031420 is a `hidden beast` number, since 1 + 11 + 30 + 203 + 1 + 420 = 666.

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 = 111302031393 and 111302031402.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 103056897 + ... + 103057976.

It is an arithmetic number, because the mean of its divisors is an integer number (7214020590).

Almost surely, 2^111302031420 is an apocalyptic number.

111302031420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111302031420 is an abundant number, since it is smaller than the sum of its proper divisors (234970956900).

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

111302031420 is a wasteful number, since it uses less digits than its factorization.

111302031420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206114891 (or 206114883 counting only the distinct ones).

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

Adding to 111302031420 its reverse (24130203111), we get a palindrome (135432234531).

The spelling of 111302031420 in words is "one hundred eleven billion, three hundred two million, thirty-one thousand, four hundred twenty".