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3101031013 = 17374930097
BaseRepresentation
bin1011100011010101…
…1111101001100101
322000010010200211111
42320311133221211
522322330443023
61231413505021
7136563220513
oct27065375145
98003120744
103101031013
1113514a6553
12726642171
133a55c93c2
14215bc54b3
1513239e00d
hexb8d5fa65

3101031013 has 8 divisors (see below), whose sum is σ = 3372187032. Its totient is φ = 2839735296.

The previous prime is 3101030951. The next prime is 3101031041. The reversal of 3101031013 is 3101301013.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 873379809 + 2227651204 = 29553^2 + 47198^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-3101031013 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3101030984 and 3101031002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3101031613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2464420 + ... + 2465677.

It is an arithmetic number, because the mean of its divisors is an integer number (421523379).

Almost surely, 23101031013 is an apocalyptic number.

It is an amenable number.

3101031013 is a deficient number, since it is larger than the sum of its proper divisors (271156019).

3101031013 is a wasteful number, since it uses less digits than its factorization.

3101031013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4930151.

The product of its (nonzero) digits is 27, while the sum is 13.

The square root of 3101031013 is about 55686.9016286595. The cubic root of 3101031013 is about 1458.2613651980.

Adding to 3101031013 its reverse (3101301013), we get a palindrome (6202332026).

The spelling of 3101031013 in words is "three billion, one hundred one million, thirty-one thousand, thirteen".

Divisors: 1 17 37 629 4930097 83811649 182413589 3101031013