Search a number
-
+
10311923 is a prime number
BaseRepresentation
bin100111010101…
…100011110011
3201101220022002
4213111203303
510114440143
61005004215
7153435626
oct47254363
921356262
1010311923
115903556
12355366b
1321a083b
141525dbd
15d8a5b8
hex9d58f3

10311923 has 2 divisors, whose sum is σ = 10311924. Its totient is φ = 10311922.

The previous prime is 10311919. The next prime is 10311953. The reversal of 10311923 is 32911301.

It is a weak prime.

It is an emirp because it is prime and its reverse (32911301) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 10311923 - 22 = 10311919 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 10311895 and 10311904.

It is not a weakly prime, because it can be changed into another prime (10311913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5155961 + 5155962.

It is an arithmetic number, because the mean of its divisors is an integer number (5155962).

Almost surely, 210311923 is an apocalyptic number.

10311923 is a deficient number, since it is larger than the sum of its proper divisors (1).

10311923 is an equidigital number, since it uses as much as digits as its factorization.

10311923 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 162, while the sum is 20.

The square root of 10311923 is about 3211.2183046314. The cubic root of 10311923 is about 217.6606326472.

The spelling of 10311923 in words is "ten million, three hundred eleven thousand, nine hundred twenty-three".