103111111123331 has 4 divisors (see below), whose sum is σ = 109176470601192. Its totient is φ = 97045751645472.

The previous prime is 103111111123327. The next prime is 103111111123411. The reversal of 103111111123331 is 133321111111301.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 103111111123331 - 2² = 103111111123327 is a prime.

It is a super-2 number, since 2×103111111123331² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 103111111123297 and 103111111123306.

It is not an unprimeable number, because it can be changed into a prime (103111111023331) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3032679738905 + ... + 3032679738938.

It is an arithmetic number, because the mean of its divisors is an integer number (27294117650298).

Almost surely, 2^{103111111123331} is an apocalyptic number.

103111111123331 is a deficient number, since it is larger than the sum of its proper divisors (6065359477861).

103111111123331 is an equidigital number, since it uses as much as digits as its factorization.

103111111123331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6065359477860.

The product of its (nonzero) digits is 162, while the sum is 23.

Adding to 103111111123331 its reverse (133321111111301), we get a palindrome (236432222234632).

The spelling of 103111111123331 in words is "one hundred three trillion, one hundred eleven billion, one hundred eleven million, one hundred twenty-three thousand, three hundred thirty-one".