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3130133 = 19715889
BaseRepresentation
bin1011111100001100010101
312220000201212
423330030111
51300131013
6151031205
735414516
oct13741425
95800655
103130133
111848796
12106b505
13857966
145b6a0d
1541c6a8
hex2fc315

3130133 has 4 divisors (see below), whose sum is σ = 3146220. Its totient is φ = 3114048.

The previous prime is 3130129. The next prime is 3130147. The reversal of 3130133 is 3310313.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2093809 + 1036324 = 1447^2 + 1018^2 .

It is a cyclic number.

It is not a de Polignac number, because 3130133 - 22 = 3130129 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 (3130333) 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, 7748 + ... + 8141.

It is an arithmetic number, because the mean of its divisors is an integer number (786555).

Almost surely, 23130133 is an apocalyptic number.

It is an amenable number.

3130133 is a deficient number, since it is larger than the sum of its proper divisors (16087).

3130133 is a wasteful number, since it uses less digits than its factorization.

3130133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16086.

The product of its (nonzero) digits is 81, while the sum is 14.

The square root of 3130133 is about 1769.2181889185. The cubic root of 3130133 is about 146.2808910324.

Adding to 3130133 its reverse (3310313), we get a palindrome (6440446).

The spelling of 3130133 in words is "three million, one hundred thirty thousand, one hundred thirty-three".

Divisors: 1 197 15889 3130133