101320344 has 96 divisors (see below), whose sum is σ = 284544000. Its totient is φ = 32550336.

The previous prime is 101320327. The next prime is 101320381. The reversal of 101320344 is 443023101.

101320344 is a `hidden beast` number, since 1 + 0 + 1 + 320 + 344 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 267147 + ... + 267525.

It is an arithmetic number, because the mean of its divisors is an integer number (2964000).

Almost surely, 2^101320344 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 101320344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (142272000).

101320344 is an abundant number, since it is smaller than the sum of its proper divisors (183223656).

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

101320344 is a wasteful number, since it uses less digits than its factorization.

101320344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 517 (or 510 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 101320344 is about 10065.8007133064. The cubic root of 101320344 is about 466.1927892581.

Adding to 101320344 its reverse (443023101), we get a palindrome (544343445).

The spelling of 101320344 in words is "one hundred one million, three hundred twenty thousand, three hundred forty-four".