10311443340 has 96 divisors (see below), whose sum is σ = 31757322240. Its totient is φ = 2499724480.

The previous prime is 10311443327. The next prime is 10311443371. The reversal of 10311443340 is 4334411301.

It is a self number, because there is not a number n which added to its sum of digits gives 10311443340.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15301 + ... + 144419.

It is an arithmetic number, because the mean of its divisors is an integer number (330805440).

Almost surely, 2^10311443340 is an apocalyptic number.

10311443340 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 10311443340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15878661120).

10311443340 is an abundant number, since it is smaller than the sum of its proper divisors (21445878900).

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

10311443340 is a wasteful number, since it uses less digits than its factorization.

10311443340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129164 (or 129140 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 10311443340 its reverse (4334411301), we get a palindrome (14645854641).

The spelling of 10311443340 in words is "ten billion, three hundred eleven million, four hundred forty-three thousand, three hundred forty".