111301312331 has 16 divisors (see below), whose sum is σ = 122290732800. Its totient is φ = 100458364320.

The previous prime is 111301312319. The next prime is 111301312379. The reversal of 111301312331 is 133213103111.

It is a cyclic number.

It is not a de Polignac number, because 111301312331 - 2³⁴ = 94121443147 is a prime.

It is a super-2 number, since 2×111301312331² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111301312301) 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, 1730945 + ... + 1794093.

It is an arithmetic number, because the mean of its divisors is an integer number (7643170800).

Almost surely, 2^111301312331 is an apocalyptic number.

111301312331 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

111301312331 is a deficient number, since it is larger than the sum of its proper divisors (10989420469).

111301312331 is a wasteful number, since it uses less digits than its factorization.

111301312331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64306.

The product of its (nonzero) digits is 162, while the sum is 20.

Adding to 111301312331 its reverse (133213103111), we get a palindrome (244514415442).

The spelling of 111301312331 in words is "one hundred eleven billion, three hundred one million, three hundred twelve thousand, three hundred thirty-one".