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2131233313 = 111635692089
BaseRepresentation
bin111111100001000…
…0000101000100001
312111112021212111011
41333002000220201
513331043431223
6551251420521
7103546120126
oct17702005041
95445255434
102131233313
119a4031150
124b58b4741
1327c705301
1416309a74d
15c718680d
hex7f080a21

2131233313 has 16 divisors (see below), whose sum is σ = 2344478400. Its totient is φ = 1921294080.

The previous prime is 2131233301. The next prime is 2131233329. The reversal of 2131233313 is 3133321312.

It is a cyclic number.

It is not a de Polignac number, because 2131233313 - 25 = 2131233281 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2131236313) 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, 1019173 + ... + 1021261.

It is an arithmetic number, because the mean of its divisors is an integer number (146529900).

Almost surely, 22131233313 is an apocalyptic number.

It is an amenable number.

2131233313 is a deficient number, since it is larger than the sum of its proper divisors (213245087).

2131233313 is a wasteful number, since it uses less digits than its factorization.

2131233313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2832.

The product of its digits is 972, while the sum is 22.

The square root of 2131233313 is about 46165.2825508520. The cubic root of 2131233313 is about 1286.8966350994.

Adding to 2131233313 its reverse (3133321312), we get a palindrome (5264554625).

The spelling of 2131233313 in words is "two billion, one hundred thirty-one million, two hundred thirty-three thousand, three hundred thirteen".

Divisors: 1 11 163 569 1793 2089 6259 22979 92747 340507 1020217 1188641 3745577 13075051 193748483 2131233313