103031111200 has 144 divisors (see below), whose sum is σ = 267814421280. Its totient is φ = 38570577920.

The previous prime is 103031111191. The next prime is 103031111201. The reversal of 103031111200 is 2111130301.

It is not an unprimeable number, because it can be changed into a prime (103031111201) 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, 2413239 + ... + 2455561.

It is an arithmetic number, because the mean of its divisors is an integer number (1859822370).

Almost surely, 2^103031111200 is an apocalyptic number.

103031111200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 103031111200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (133907210640).

103031111200 is an abundant number, since it is smaller than the sum of its proper divisors (164783310080).

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

103031111200 is a wasteful number, since it uses less digits than its factorization.

103031111200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42539 (or 42526 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 13.

Adding to 103031111200 its reverse (2111130301), we get a palindrome (105142241501).

The spelling of 103031111200 in words is "one hundred three billion, thirty-one million, one hundred eleven thousand, two hundred".