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3130010221 = 13713391127
BaseRepresentation
bin1011101010010000…
…0010101001101101
322002010122222211111
42322210002221231
522402240311341
61234330552021
7140364435142
oct27244025155
98063588744
103130010221
11136689a008
12734298611
133ab604870
142199aa3c9
15134bc5681
hexba902a6d

3130010221 has 8 divisors (see below), whose sum is σ = 3418257024. Its totient is φ = 2848545840.

The previous prime is 3130010209. The next prime is 3130010249. The reversal of 3130010221 is 1220100313.

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

It is a cyclic number.

It is not a de Polignac number, because 3130010221 - 229 = 2593139309 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3130010321) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1694641 + ... + 1696486.

It is an arithmetic number, because the mean of its divisors is an integer number (427282128).

Almost surely, 23130010221 is an apocalyptic number.

It is an amenable number.

3130010221 is a deficient number, since it is larger than the sum of its proper divisors (288246803).

3130010221 is a wasteful number, since it uses less digits than its factorization.

3130010221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3391211.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 3130010221 is about 55946.4942690782. The cubic root of 3130010221 is about 1462.7897839198.

Adding to 3130010221 its reverse (1220100313), we get a palindrome (4350110534).

The spelling of 3130010221 in words is "three billion, one hundred thirty million, ten thousand, two hundred twenty-one".

Divisors: 1 13 71 923 3391127 44084651 240770017 3130010221