10311284220 has 96 divisors (see below), whose sum is σ = 29260611072. Its totient is φ = 2712722688.

The previous prime is 10311284219. The next prime is 10311284251. The reversal of 10311284220 is 2248211301.

It is a congruent number.

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, 6089694 + ... + 6091386.

It is an arithmetic number, because the mean of its divisors is an integer number (304798032).

Almost surely, 2^10311284220 is an apocalyptic number.

10311284220 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 10311284220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14630305536).

10311284220 is an abundant number, since it is smaller than the sum of its proper divisors (18949326852).

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

10311284220 is a wasteful number, since it uses less digits than its factorization.

10311284220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3011 (or 3009 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 24.

Adding to 10311284220 its reverse (2248211301), we get a palindrome (12559495521).

The spelling of 10311284220 in words is "ten billion, three hundred eleven million, two hundred eighty-four thousand, two hundred twenty".