111332013 has 16 divisors (see below), whose sum is σ = 160095936. Its totient is φ = 68411520.

The previous prime is 111332009. The next prime is 111332021. The reversal of 111332013 is 310233111.

It is not a de Polignac number, because 111332013 - 2² = 111332009 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 111331983 and 111332001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111332033) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31758 + ... + 35088.

It is an arithmetic number, because the mean of its divisors is an integer number (10005996).

Almost surely, 2^111332013 is an apocalyptic number.

111332013 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

111332013 is a deficient number, since it is larger than the sum of its proper divisors (48763923).

111332013 is a wasteful number, since it uses less digits than its factorization.

111332013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4204.

The product of its (nonzero) digits is 54, while the sum is 15.

The square root of 111332013 is about 10551.3986276702. The cubic root of 111332013 is about 481.0682415212.

Adding to 111332013 its reverse (310233111), we get a palindrome (421565124).

The spelling of 111332013 in words is "one hundred eleven million, three hundred thirty-two thousand, thirteen".