111431325 has 12 divisors (see below), whose sum is σ = 184233248. Its totient is φ = 59430000.

The previous prime is 111431321. The next prime is 111431377. The reversal of 111431325 is 523134111.

It is not a de Polignac number, because 111431325 - 2² = 111431321 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111431321) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 742801 + ... + 742950.

Almost surely, 2^111431325 is an apocalyptic number.

111431325 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

111431325 is a deficient number, since it is larger than the sum of its proper divisors (72801923).

111431325 is a wasteful number, since it uses less digits than its factorization.

111431325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1485764 (or 1485759 counting only the distinct ones).

The product of its digits is 360, while the sum is 21.

The square root of 111431325 is about 10556.1036845988. The cubic root of 111431325 is about 481.2112421702.

Adding to 111431325 its reverse (523134111), we get a palindrome (634565436).

The spelling of 111431325 in words is "one hundred eleven million, four hundred thirty-one thousand, three hundred twenty-five".