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2212113431 = 11433464437
BaseRepresentation
bin1000001111011010…
…0010110000010111
312201011111000011002
42003312202300113
514012300112211
61003301133515
7105550440203
oct20366426027
95634430132
102212113431
11a35753620
125189ba29b
132933b3178
1416db11b03
15ce31103b
hex83da2c17

2212113431 has 8 divisors (see below), whose sum is σ = 2418793104. Its totient is φ = 2006363520.

The previous prime is 2212113391. The next prime is 2212113439. The reversal of 2212113431 is 1343112122.

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 2212113431 - 218 = 2211851287 is a prime.

It is a super-2 number, since 2×22121134312 = 9786891663221183522, 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 (2212113439) 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, 227456 + ... + 236981.

It is an arithmetic number, because the mean of its divisors is an integer number (302349138).

Almost surely, 22212113431 is an apocalyptic number.

2212113431 is a deficient number, since it is larger than the sum of its proper divisors (206679673).

2212113431 is a wasteful number, since it uses less digits than its factorization.

2212113431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 464881.

The product of its digits is 288, while the sum is 20.

The square root of 2212113431 is about 47033.1099439533. The cubic root of 2212113431 is about 1302.9741434179.

Adding to 2212113431 its reverse (1343112122), we get a palindrome (3555225553).

The spelling of 2212113431 in words is "two billion, two hundred twelve million, one hundred thirteen thousand, four hundred thirty-one".

Divisors: 1 11 433 4763 464437 5108807 201101221 2212113431