10311680 has 96 divisors (see below), whose sum is σ = 26535600. Its totient is φ = 3833856.

The previous prime is 10311649. The next prime is 10311703. The reversal of 10311680 is 8611301.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

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, 194534 + ... + 194586.

Almost surely, 2^10311680 is an apocalyptic number.

10311680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10311680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13267800).

10311680 is an abundant number, since it is smaller than the sum of its proper divisors (16223920).

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

10311680 is an equidigital number, since it uses as much as digits as its factorization.

10311680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99 (or 79 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 20.

The square root of 10311680 is about 3211.1804683013. The cubic root of 10311680 is about 217.6589229128.

Adding to 10311680 its reverse (8611301), we get a palindrome (18922981).

The spelling of 10311680 in words is "ten million, three hundred eleven thousand, six hundred eighty".