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10313213 = 79130547
BaseRepresentation
bin100111010101…
…110111111101
3201101222001212
4213111313331
510120010323
61005014205
7153442451
oct47256775
921358055
1010313213
115904519
123554365
1321a12c1
141526661
15d8ab78
hex9d5dfd

10313213 has 4 divisors (see below), whose sum is σ = 10443840. Its totient is φ = 10182588.

The previous prime is 10313201. The next prime is 10313227. The reversal of 10313213 is 31231301.

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, and also an emirpimes, since its reverse is a distinct semiprime: 31231301 = 103930059.

It is a cyclic number.

It is not a de Polignac number, because 10313213 - 28 = 10312957 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10313273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 65195 + ... + 65352.

It is an arithmetic number, because the mean of its divisors is an integer number (2610960).

Almost surely, 210313213 is an apocalyptic number.

It is an amenable number.

10313213 is a deficient number, since it is larger than the sum of its proper divisors (130627).

10313213 is an equidigital number, since it uses as much as digits as its factorization.

10313213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130626.

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

The square root of 10313213 is about 3211.4191566969. The cubic root of 10313213 is about 217.6697085654.

Adding to 10313213 its reverse (31231301), we get a palindrome (41544514).

The spelling of 10313213 in words is "ten million, three hundred thirteen thousand, two hundred thirteen".

Divisors: 1 79 130547 10313213