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2023312213 = 13791970119
BaseRepresentation
bin111100010011001…
…0100101101010101
312020000012220120101
41320212110231111
513120431442323
6532434334101
7101065604266
oct17046245525
95200186511
102023312213
1194911a45a
1248572a331
1326324a280
14152a0696d
15bc969dad
hex78994b55

2023312213 has 8 divisors (see below), whose sum is σ = 2206534400. Its totient is φ = 1844030448.

The previous prime is 2023312201. The next prime is 2023312229. The reversal of 2023312213 is 3122133202.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2023312213 - 229 = 1486441301 is a prime.

It is a super-2 number, since 2×20233122132 = 8187584622549914738, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2023312243) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 984033 + ... + 986086.

It is an arithmetic number, because the mean of its divisors is an integer number (275816800).

Almost surely, 22023312213 is an apocalyptic number.

It is an amenable number.

2023312213 is a deficient number, since it is larger than the sum of its proper divisors (183222187).

2023312213 is a wasteful number, since it uses less digits than its factorization.

2023312213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1970211.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 2023312213 is about 44981.2429019030. The cubic root of 2023312213 is about 1264.7974102083.

Adding to 2023312213 its reverse (3122133202), we get a palindrome (5145445415).

The spelling of 2023312213 in words is "two billion, twenty-three million, three hundred twelve thousand, two hundred thirteen".

Divisors: 1 13 79 1027 1970119 25611547 155639401 2023312213