103111400 has 48 divisors (see below), whose sum is σ = 273985440. Its totient is φ = 35352000.

The previous prime is 103111381. The next prime is 103111403. The reversal of 103111400 is 4111301.

It is not an unprimeable number, because it can be changed into a prime (103111403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 35426 + ... + 38225.

It is an arithmetic number, because the mean of its divisors is an integer number (5708030).

Almost surely, 2^103111400 is an apocalyptic number.

103111400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

103111400 is an abundant number, since it is smaller than the sum of its proper divisors (170874040).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

103111400 is a wasteful number, since it uses less digits than its factorization.

103111400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73674 (or 73665 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 11.

The square root of 103111400 is about 10154.3783660055. The cubic root of 103111400 is about 468.9237483307.

Adding to 103111400 its reverse (4111301), we get a palindrome (107222701).

Subtracting from 103111400 its reverse (4111301), we obtain a palindrome (99000099).

It can be divided in two parts, 10311 and 1400, that added together give a palindrome (11711).

The spelling of 103111400 in words is "one hundred three million, one hundred eleven thousand, four hundred".