103111231023 has 24 divisors (see below), whose sum is σ = 155430288000. Its totient is φ = 65745210960.

The previous prime is 103111231001. The next prime is 103111231037. The reversal of 103111231023 is 320132111301.

103111231023 is a `hidden beast` number, since 10 + 311 + 12 + 310 + 23 = 666.

It is not a de Polignac number, because 103111231023 - 2¹² = 103111226927 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 103111230987 and 103111231005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103111231723) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2590728 + ... + 2630226.

It is an arithmetic number, because the mean of its divisors is an integer number (6476262000).

Almost surely, 2^103111231023 is an apocalyptic number.

103111231023 is a deficient number, since it is larger than the sum of its proper divisors (52319056977).

103111231023 is a wasteful number, since it uses less digits than its factorization.

103111231023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52139 (or 52136 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 103111231023 its reverse (320132111301), we get a palindrome (423243342324).

The spelling of 103111231023 in words is "one hundred three billion, one hundred eleven million, two hundred thirty-one thousand, twenty-three".