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10311121 = 96710663
BaseRepresentation
bin100111010101…
…010111010001
3201101212012101
4213111113101
510114423441
61005000401
7153433402
oct47252721
921355171
1010311121
115902997
123553101
1321a0372
1415259a9
15d8a231
hex9d55d1

10311121 has 4 divisors (see below), whose sum is σ = 10322752. Its totient is φ = 10299492.

The previous prime is 10311101. The next prime is 10311139. The reversal of 10311121 is 12111301.

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 10311121 - 211 = 10309073 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10311098 and 10311107.

It is not an unprimeable number, because it can be changed into a prime (10311101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4365 + ... + 6298.

It is an arithmetic number, because the mean of its divisors is an integer number (2580688).

Almost surely, 210311121 is an apocalyptic number.

It is an amenable number.

10311121 is a deficient number, since it is larger than the sum of its proper divisors (11631).

10311121 is an equidigital number, since it uses as much as digits as its factorization.

10311121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11630.

The product of its (nonzero) digits is 6, while the sum is 10.

The square root of 10311121 is about 3211.0934274792. The cubic root of 10311121 is about 217.6549897180.

Adding to 10311121 its reverse (12111301), we get a palindrome (22422422).

The spelling of 10311121 in words is "ten million, three hundred eleven thousand, one hundred twenty-one".

Divisors: 1 967 10663 10311121