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10311313 = 31332623
BaseRepresentation
bin100111010101…
…011010010001
3201101212110111
4213111122101
510114430223
61005001321
7153434065
oct47253221
921355414
1010311313
115903051
123553241
1321a048c
141525aa5
15d8a30d
hex9d5691

10311313 has 4 divisors (see below), whose sum is σ = 10643968. Its totient is φ = 9978660.

The previous prime is 10311307. The next prime is 10311341. The reversal of 10311313 is 31311301.

It is a happy number.

10311313 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 10311313 - 29 = 10310801 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10311293 and 10311302.

It is not an unprimeable number, because it can be changed into a prime (10311913) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 166281 + ... + 166342.

It is an arithmetic number, because the mean of its divisors is an integer number (2660992).

Almost surely, 210311313 is an apocalyptic number.

It is an amenable number.

10311313 is a deficient number, since it is larger than the sum of its proper divisors (332655).

10311313 is an equidigital number, since it uses as much as digits as its factorization.

10311313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 332654.

The product of its (nonzero) digits is 27, while the sum is 13.

The square root of 10311313 is about 3211.1233236984. The cubic root of 10311313 is about 217.6563406703.

Adding to 10311313 its reverse (31311301), we get a palindrome (41622614).

The spelling of 10311313 in words is "ten million, three hundred eleven thousand, three hundred thirteen".

Divisors: 1 31 332623 10311313