101312424 has 64 divisors (see below), whose sum is σ = 293673600. Its totient is φ = 32300928.

The previous prime is 101312423. The next prime is 101312437. The reversal of 101312424 is 424213101.

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

It is a junction number, because it is equal to n+sod(n) for n = 101312397 and 101312406.

It is not an unprimeable number, because it can be changed into a prime (101312423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5229 + ... + 15164.

It is an arithmetic number, because the mean of its divisors is an integer number (4588650).

Almost surely, 2^101312424 is an apocalyptic number.

It is an amenable number.

101312424 is an abundant number, since it is smaller than the sum of its proper divisors (192361176).

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

101312424 is a wasteful number, since it uses less digits than its factorization.

101312424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20431 (or 20421 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 101312424 is about 10065.4072942927. The cubic root of 101312424 is about 466.1806418355.

Adding to 101312424 its reverse (424213101), we get a palindrome (525525525).

The spelling of 101312424 in words is "one hundred one million, three hundred twelve thousand, four hundred twenty-four".