101310240 has 48 divisors (see below), whose sum is σ = 319128768. Its totient is φ = 27015936.

The previous prime is 101310229. The next prime is 101310281. The reversal of 101310240 is 42013101.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (12).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 105052 + ... + 106011.

It is an arithmetic number, because the mean of its divisors is an integer number (6648516).

Almost surely, 2^101310240 is an apocalyptic number.

101310240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101310240 is an abundant number, since it is smaller than the sum of its proper divisors (217818528).

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

101310240 is a wasteful number, since it uses less digits than its factorization.

101310240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211081 (or 211073 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 101310240 is about 10065.2988033143. The cubic root of 101310240 is about 466.1772919804.

Adding to 101310240 its reverse (42013101), we get a palindrome (143323341).

The spelling of 101310240 in words is "one hundred one million, three hundred ten thousand, two hundred forty".