111342304131 has 16 divisors (see below), whose sum is σ = 152535467424. Its totient is φ = 72190427904.

The previous prime is 111342304127. The next prime is 111342304133. The reversal of 111342304131 is 131403243111.

It is a happy number.

It is not a de Polignac number, because 111342304131 - 2² = 111342304127 is a prime.

It is a super-2 number, since 2×111342304131² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (111342304133) by changing a digit.

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, 36621 + ... + 473313.

It is an arithmetic number, because the mean of its divisors is an integer number (9533466714).

Almost surely, 2^111342304131 is an apocalyptic number.

111342304131 is a deficient number, since it is larger than the sum of its proper divisors (41193163293).

111342304131 is a wasteful number, since it uses less digits than its factorization.

111342304131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 439030.

The product of its (nonzero) digits is 864, while the sum is 24.

Adding to 111342304131 its reverse (131403243111), we get a palindrome (242745547242).

The spelling of 111342304131 in words is "one hundred eleven billion, three hundred forty-two million, three hundred four thousand, one hundred thirty-one".