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10231313 = 71144103
BaseRepresentation
bin100111000001…
…111000010001
3201020210201112
4213001320101
510104400223
61003143105
7152651621
oct47017021
921223645
1010231313
115858a34
123514a95
132172c41
141504881
15d71778
hex9c1e11

10231313 has 4 divisors (see below), whose sum is σ = 10375488. Its totient is φ = 10087140.

The previous prime is 10231303. The next prime is 10231337. The reversal of 10231313 is 31313201.

10231313 is digitally balanced in base 3, 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 10231313 - 28 = 10231057 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (10231303) 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, 71981 + ... + 72122.

It is an arithmetic number, because the mean of its divisors is an integer number (2593872).

Almost surely, 210231313 is an apocalyptic number.

It is an amenable number.

10231313 is a deficient number, since it is larger than the sum of its proper divisors (144175).

10231313 is an equidigital number, since it uses as much as digits as its factorization.

10231313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144174.

The product of its (nonzero) digits is 54, while the sum is 14.

The square root of 10231313 is about 3198.6423682556. The cubic root of 10231313 is about 217.0919853251.

Adding to 10231313 its reverse (31313201), we get a palindrome (41544514).

The spelling of 10231313 in words is "ten million, two hundred thirty-one thousand, three hundred thirteen".

Divisors: 1 71 144103 10231313