103113820 has 24 divisors (see below), whose sum is σ = 222393024. Its totient is φ = 40130496.

The previous prime is 103113809. The next prime is 103113827. The reversal of 103113820 is 28311301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103113827) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68932 + ... + 70411.

It is an arithmetic number, because the mean of its divisors is an integer number (9266376).

Almost surely, 2^103113820 is an apocalyptic number.

103113820 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

103113820 is an abundant number, since it is smaller than the sum of its proper divisors (119279204).

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

103113820 is a wasteful number, since it uses less digits than its factorization.

103113820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139389 (or 139387 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 103113820 is about 10154.4975257272. The cubic root of 103113820 is about 468.9274168116.

The spelling of 103113820 in words is "one hundred three million, one hundred thirteen thousand, eight hundred twenty".