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212232311311 = 1131931972637
BaseRepresentation
bin1100010110101000001…
…0000001001000001111
3202021210211112111001111
43011222002001020033
511434122432430221
6241255334552451
721222212611126
oct3055202011017
9667724474044
10212232311311
1182009674799
1235170208727
1317023641cc7
14a3b48d2abd
1557c22d2be1
hex316a08120f

212232311311 has 8 divisors (see below), whose sum is σ = 214221574224. Its totient is φ = 210244997760.

The previous prime is 212232311303. The next prime is 212232311341. The reversal of 212232311311 is 113113232212.

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 212232311311 - 23 = 212232311303 is a prime.

It is a super-3 number, since 3×2122323113113 (a number of 35 digits) contains 333 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 (212232311341) 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, 268116 + ... + 704521.

It is an arithmetic number, because the mean of its divisors is an integer number (26777696778).

Almost surely, 2212232311311 is an apocalyptic number.

212232311311 is a deficient number, since it is larger than the sum of its proper divisors (1989262913).

212232311311 is a wasteful number, since it uses less digits than its factorization.

212232311311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 974681.

The product of its digits is 432, while the sum is 22.

Adding to 212232311311 its reverse (113113232212), we get a palindrome (325345543523).

The spelling of 212232311311 in words is "two hundred twelve billion, two hundred thirty-two million, three hundred eleven thousand, three hundred eleven".

Divisors: 1 113 1931 218203 972637 109907981 1878162047 212232311311