103311020 has 12 divisors (see below), whose sum is σ = 216953184. Its totient is φ = 41324400.

The previous prime is 103311017. The next prime is 103311053. The reversal of 103311020 is 20113301.

It is a junction number, because it is equal to n+sod(n) for n = 103310992 and 103311010.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2582756 + ... + 2582795.

It is an arithmetic number, because the mean of its divisors is an integer number (18079432).

Almost surely, 2^103311020 is an apocalyptic number.

103311020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

103311020 is an abundant number, since it is smaller than the sum of its proper divisors (113642164).

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

103311020 is a wasteful number, since it uses less digits than its factorization.

103311020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5165560 (or 5165558 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 11.

The square root of 103311020 is about 10164.2028708601. The cubic root of 103311020 is about 469.2261598235.

Adding to 103311020 its reverse (20113301), we get a palindrome (123424321).

The spelling of 103311020 in words is "one hundred three million, three hundred eleven thousand, twenty".