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3220113531 = 317587107563
BaseRepresentation
bin1011111111101111…
…0000100001111011
322022102012201100010
42333323300201323
523043322113111
61251310113003
7142540341045
oct27773604173
98272181303
103220113531
111402740a58
1275a4ab763
133c419182b
14227942a95
1513ca72aa6
hexbfef087b

3220113531 has 16 divisors (see below), whose sum is σ = 4553829504. Its totient is φ = 2017002624.

The previous prime is 3220113517. The next prime is 3220113541. The reversal of 3220113531 is 1353110223.

It is not a de Polignac number, because 3220113531 - 29 = 3220113019 is a prime.

It is a super-2 number, since 2×32201135312 = 20738262305058575922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3220113498 and 3220113507.

It is not an unprimeable number, because it can be changed into a prime (3220113511) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23845 + ... + 83718.

It is an arithmetic number, because the mean of its divisors is an integer number (284614344).

Almost surely, 23220113531 is an apocalyptic number.

3220113531 is a deficient number, since it is larger than the sum of its proper divisors (1333715973).

3220113531 is a wasteful number, since it uses less digits than its factorization.

3220113531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108170.

The product of its (nonzero) digits is 540, while the sum is 21.

The square root of 3220113531 is about 56746.0441881194. The cubic root of 3220113531 is about 1476.6936066493.

Adding to 3220113531 its reverse (1353110223), we get a palindrome (4573223754).

The spelling of 3220113531 in words is "three billion, two hundred twenty million, one hundred thirteen thousand, five hundred thirty-one".

Divisors: 1 3 17 51 587 1761 9979 29937 107563 322689 1828571 5485713 63139481 189418443 1073371177 3220113531