10311340 has 24 divisors (see below), whose sum is σ = 23320080. Its totient is φ = 3807168.

The previous prime is 10311307. The next prime is 10311341. The reversal of 10311340 is 4311301.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a self number, because there is not a number n which added to its sum of digits gives 10311340.

It is not an unprimeable number, because it can be changed into a prime (10311341) 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 7 ways as a sum of consecutive naturals, for example, 19570 + ... + 20089.

It is an arithmetic number, because the mean of its divisors is an integer number (971670).

Almost surely, 2^10311340 is an apocalyptic number.

10311340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10311340 is an abundant number, since it is smaller than the sum of its proper divisors (13008740).

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

10311340 is a wasteful number, since it uses less digits than its factorization.

10311340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39681 (or 39679 counting only the distinct ones).

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

The square root of 10311340 is about 3211.1275278319. The cubic root of 10311340 is about 217.6565306467.

Adding to 10311340 its reverse (4311301), we get a palindrome (14622641).

The spelling of 10311340 in words is "ten million, three hundred eleven thousand, three hundred forty".