101321340 has 48 divisors (see below), whose sum is σ = 284407200. Its totient is φ = 26951680.

The previous prime is 101321303. The next prime is 101321351. The reversal of 101321340 is 43123101.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25060 + ... + 28820.

It is an arithmetic number, because the mean of its divisors is an integer number (5925150).

Almost surely, 2^101321340 is an apocalyptic number.

101321340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101321340 is an abundant number, since it is smaller than the sum of its proper divisors (183085860).

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

101321340 is a wasteful number, since it uses less digits than its factorization.

101321340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4222 (or 4220 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 101321340 is about 10065.8501876394. The cubic root of 101321340 is about 466.1943168437.

Adding to 101321340 its reverse (43123101), we get a palindrome (144444441).

The spelling of 101321340 in words is "one hundred one million, three hundred twenty-one thousand, three hundred forty".