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3220001131 = 4575170381
BaseRepresentation
bin1011111111101101…
…0101000101101011
322022102000000011011
42333323111011223
523043310014011
61251303444351
7142536362254
oct27773250553
98272000134
103220001131
111402674566
1275a4566b7
133c4152619
14227913b2b
1513ca4e621
hexbfed516b

3220001131 has 4 divisors (see below), whose sum is σ = 3220117264. Its totient is φ = 3219885000.

The previous prime is 3220001119. The next prime is 3220001137. The reversal of 3220001131 is 1311000223.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 1311000223 = 13100846171.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-3220001131 is a prime.

It is a super-2 number, since 2×32200011312 = 20736814567282558322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3220001137) 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, 10561 + ... + 80941.

It is an arithmetic number, because the mean of its divisors is an integer number (805029316).

Almost surely, 23220001131 is an apocalyptic number.

3220001131 is a deficient number, since it is larger than the sum of its proper divisors (116133).

3220001131 is an equidigital number, since it uses as much as digits as its factorization.

3220001131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116132.

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

The square root of 3220001131 is about 56745.0538020716. The cubic root of 3220001131 is about 1476.6764248232.

Adding to 3220001131 its reverse (1311000223), we get a palindrome (4531001354).

The spelling of 3220001131 in words is "three billion, two hundred twenty million, one thousand, one hundred thirty-one".

Divisors: 1 45751 70381 3220001131