111313111322131 has 16 divisors (see below), whose sum is σ = 116447164920000. Its totient is φ = 106265473785856.

The previous prime is 111313111322129. The next prime is 111313111322137. The reversal of 111313111322131 is 131223111313111.

It is a cyclic number.

It is not a de Polignac number, because 111313111322131 - 2¹ = 111313111322129 is a prime.

It is a super-2 number, since 2×111313111322131² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 111313111322096 and 111313111322105.

It is not an unprimeable number, because it can be changed into a prime (111313111322137) 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, 182737875 + ... + 183346003.

It is an arithmetic number, because the mean of its divisors is an integer number (7277947807500).

Almost surely, 2^{111313111322131} is an apocalyptic number.

111313111322131 is a deficient number, since it is larger than the sum of its proper divisors (5134053597869).

111313111322131 is an equidigital number, since it uses as much as digits as its factorization.

111313111322131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 679166.

The product of its digits is 324, while the sum is 25.

Adding to 111313111322131 its reverse (131223111313111), we get a palindrome (242536222635242).

The spelling of 111313111322131 in words is "one hundred eleven trillion, three hundred thirteen billion, one hundred eleven million, three hundred twenty-two thousand, one hundred thirty-one".