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213242132311 = 13235983145637
BaseRepresentation
bin1100011010011000111…
…0001011011101010111
3202101102012200201001021
43012212032023131113
511443204441213221
6241543450542011
721256224134515
oct3064616133527
9671365621037
10213242132311
11824876961aa
12353b2437907
131715490a420
14a46ca794b5
155830ca4041
hex31a638b757

213242132311 has 32 divisors (see below), whose sum is σ = 246629214720. Its totient is φ = 182858231424.

The previous prime is 213242132309. The next prime is 213242132329. The reversal of 213242132311 is 113231242312.

It is not a de Polignac number, because 213242132311 - 21 = 213242132309 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 (213242132371) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1391385 + ... + 1537021.

It is an arithmetic number, because the mean of its divisors is an integer number (7707162960).

Almost surely, 2213242132311 is an apocalyptic number.

213242132311 is a deficient number, since it is larger than the sum of its proper divisors (33387082409).

213242132311 is a wasteful number, since it uses less digits than its factorization.

213242132311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145815.

The product of its digits is 1728, while the sum is 25.

Adding to 213242132311 its reverse (113231242312), we get a palindrome (326473374623).

The spelling of 213242132311 in words is "two hundred thirteen billion, two hundred forty-two million, one hundred thirty-two thousand, three hundred eleven".

Divisors: 1 13 23 59 83 299 767 1079 1357 1909 4897 17641 24817 63661 112631 145637 1464203 1893281 3349651 8592583 12087871 43545463 111703579 157142323 197629409 278021033 713184389 2569182317 3614273429 9271397057 16403240947 213242132311