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2013212311 = 11330755343
BaseRepresentation
bin111011111111111…
…0010111010010111
312012022012210002221
41313333302322113
513110340243221
6531434043211
7100614010435
oct16777627227
95168183087
102013212311
11943451230
12482279507
132611220b6
14151537d55
15bbb22541
hex77ff2e97

2013212311 has 8 divisors (see below), whose sum is σ = 2196935424. Its totient is φ = 1829606520.

The previous prime is 2013212273. The next prime is 2013212321. The reversal of 2013212311 is 1132123102.

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

It is a cyclic number.

It is not a de Polignac number, because 2013212311 - 215 = 2013179543 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2013212321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8706 + ... + 64048.

It is an arithmetic number, because the mean of its divisors is an integer number (274616928).

Almost surely, 22013212311 is an apocalyptic number.

2013212311 is a deficient number, since it is larger than the sum of its proper divisors (183723113).

2013212311 is a wasteful number, since it uses less digits than its factorization.

2013212311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58661.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 2013212311 is about 44868.8345179591. The cubic root of 2013212311 is about 1262.6893742786.

Adding to 2013212311 its reverse (1132123102), we get a palindrome (3145335413).

The spelling of 2013212311 in words is "two billion, thirteen million, two hundred twelve thousand, three hundred eleven".

Divisors: 1 11 3307 36377 55343 608773 183019301 2013212311