10313320212 has 36 divisors (see below), whose sum is σ = 28075150740. Its totient is φ = 3173329152.

The previous prime is 10313320187. The next prime is 10313320217. The reversal of 10313320212 is 21202331301.

10313320212 is a `hidden beast` number, since 10 + 313 + 320 + 21 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 2750582916 + 7562737296 = 52446^2 + 86964^2 .

It is a tau number, because it is divible by the number of its divisors (36).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10313320217) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11018037 + ... + 11018972.

Almost surely, 2^10313320212 is an apocalyptic number.

10313320212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

10313320212 is an abundant number, since it is smaller than the sum of its proper divisors (17761830528).

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

10313320212 is a wasteful number, since it uses less digits than its factorization.

10313320212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22037032 (or 22037027 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 10313320212 its reverse (21202331301), we get a palindrome (31515651513).

The spelling of 10313320212 in words is "ten billion, three hundred thirteen million, three hundred twenty thousand, two hundred twelve".