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2203343131 = 11200303921
BaseRepresentation
bin1000001101010100…
…0101100100011011
312200112222102120011
42003111011210123
514003023440011
61002345142351
7105413051623
oct20325054433
95615872504
102203343131
11a30803340
12515a8a9b7
13291632242
1416c8ab883
15cd67c621
hex8354591b

2203343131 has 4 divisors (see below), whose sum is σ = 2403647064. Its totient is φ = 2003039200.

The previous prime is 2203343099. The next prime is 2203343147. The reversal of 2203343131 is 1313433022.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2203343131 - 25 = 2203343099 is a prime.

It is a super-2 number, since 2×22033431312 = 9709441905849766322, which contains 22 as substring.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2203343161) 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, 100151950 + ... + 100151971.

It is an arithmetic number, because the mean of its divisors is an integer number (600911766).

Almost surely, 22203343131 is an apocalyptic number.

2203343131 is a deficient number, since it is larger than the sum of its proper divisors (200303933).

2203343131 is a wasteful number, since it uses less digits than its factorization.

2203343131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200303932.

The product of its (nonzero) digits is 1296, while the sum is 22.

The square root of 2203343131 is about 46939.7819658336. The cubic root of 2203343131 is about 1301.2499085186.

Adding to 2203343131 its reverse (1313433022), we get a palindrome (3516776153).

The spelling of 2203343131 in words is "two billion, two hundred three million, three hundred forty-three thousand, one hundred thirty-one".

Divisors: 1 11 200303921 2203343131