101313220 has 12 divisors (see below), whose sum is σ = 212757804. Its totient is φ = 40525280.

The previous prime is 101313193. The next prime is 101313241. The reversal of 101313220 is 22313101.

It can be written as a sum of positive squares in 2 ways, for example, as 13366336 + 87946884 = 3656^2 + 9378^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 101313220.

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, 2532811 + ... + 2532850.

It is an arithmetic number, because the mean of its divisors is an integer number (17729817).

Almost surely, 2^101313220 is an apocalyptic number.

101313220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101313220 is an abundant number, since it is smaller than the sum of its proper divisors (111444584).

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

101313220 is a wasteful number, since it uses less digits than its factorization.

101313220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5065670 (or 5065668 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 101313220 is about 10065.4468355856. The cubic root of 101313220 is about 466.1818627415.

Adding to 101313220 its reverse (22313101), we get a palindrome (123626321).

The spelling of 101313220 in words is "one hundred one million, three hundred thirteen thousand, two hundred twenty".