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213311301 = 3710157681
BaseRepresentation
bin11001011011011…
…01111101000101
3112212101100002120
430231231331011
5414101430201
633100000153
75200054560
oct1455557505
9485340076
10213311301
11aa454a35
125b530059
1335268108
14204894d7
1513ad8536
hexcb6df45

213311301 has 8 divisors (see below), whose sum is σ = 325045824. Its totient is φ = 121892160.

The previous prime is 213311221. The next prime is 213311311. The reversal of 213311301 is 103113312.

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

It is not a de Polignac number, because 213311301 - 27 = 213311173 is a prime.

It is a super-2 number, since 2×2133113012 = 91003422268625202, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213311311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5078820 + ... + 5078861.

It is an arithmetic number, because the mean of its divisors is an integer number (40630728).

Almost surely, 2213311301 is an apocalyptic number.

213311301 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

213311301 is a deficient number, since it is larger than the sum of its proper divisors (111734523).

213311301 is a wasteful number, since it uses less digits than its factorization.

213311301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10157691.

The product of its (nonzero) digits is 54, while the sum is 15.

The square root of 213311301 is about 14605.1806219574. The cubic root of 213311301 is about 597.5000622071.

Adding to 213311301 its reverse (103113312), we get a palindrome (316424613).

The spelling of 213311301 in words is "two hundred thirteen million, three hundred eleven thousand, three hundred one".

Divisors: 1 3 7 21 10157681 30473043 71103767 213311301