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3301312121 = 29113838349
BaseRepresentation
bin1100010011000110…
…0000011001111001
322112002000000212022
43010301200121321
523230113441441
61303330324225
7144544455452
oct30461403171
98462000768
103301312121
111444560728
12781729675
13407c51633
1423463c129
15144c6184b
hexc4c60679

3301312121 has 4 divisors (see below), whose sum is σ = 3415150500. Its totient is φ = 3187473744.

The previous prime is 3301312097. The next prime is 3301312123. The reversal of 3301312121 is 1212131033.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1212131033 = 1690371711.

It can be written as a sum of positive squares in 2 ways, for example, as 1820216896 + 1481095225 = 42664^2 + 38485^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-3301312121 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3301312121.

It is not an unprimeable number, because it can be changed into a prime (3301312123) 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, 56919146 + ... + 56919203.

It is an arithmetic number, because the mean of its divisors is an integer number (853787625).

Almost surely, 23301312121 is an apocalyptic number.

It is an amenable number.

3301312121 is a deficient number, since it is larger than the sum of its proper divisors (113838379).

3301312121 is a wasteful number, since it uses less digits than its factorization.

3301312121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113838378.

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 3301312121 is about 57457.0458777686. The cubic root of 3301312121 is about 1489.0028493354.

Adding to 3301312121 its reverse (1212131033), we get a palindrome (4513443154).

The spelling of 3301312121 in words is "three billion, three hundred one million, three hundred twelve thousand, one hundred twenty-one".

Divisors: 1 29 113838349 3301312121