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213331231102 = 21159209978301
BaseRepresentation
bin1100011010101110001…
…0000100000101111110
3202101122102100101121111
43012223202010011332
511443400243343402
6242000352352234
721261355354663
oct3065342040576
9671572311544
10213331231102
1182522a11470
123541824567a
131716a2050c2
14a47a82da6a
155838a039d7
hex31ab88417e

213331231102 has 32 divisors (see below), whose sum is σ = 355177872000. Its totient is φ = 95278572000.

The previous prime is 213331231033. The next prime is 213331231109. The reversal of 213331231102 is 201132133312.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213331231109) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2685352 + ... + 2763652.

It is an arithmetic number, because the mean of its divisors is an integer number (11099308500).

Almost surely, 2213331231102 is an apocalyptic number.

213331231102 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

213331231102 is a deficient number, since it is larger than the sum of its proper divisors (141846640898).

213331231102 is a wasteful number, since it uses less digits than its factorization.

213331231102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80472.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 213331231102 its reverse (201132133312), we get a palindrome (414463364414).

The spelling of 213331231102 in words is "two hundred thirteen billion, three hundred thirty-one million, two hundred thirty-one thousand, one hundred two".

Divisors: 1 2 11 22 59 118 649 1298 2099 4198 23089 46178 78301 123841 156602 247682 861311 1362251 1722622 2724502 4619759 9239518 50817349 101634698 164353799 328707598 1807891789 3615783578 9696874141 19393748282 106665615551 213331231102