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131310211222 = 22911092041451
BaseRepresentation
bin111101001001010110…
…0101101000010010110
3110112221020022212112101
41322102230231002112
54122410403224342
6140153441312314
712325663244101
oct1722254550226
9415836285471
10131310211222
1150763211223
122154763569a
13c4c8476548
1464d94c7738
153637dbe3b7
hex1e92b2d096

131310211222 has 16 divisors (see below), whose sum is σ = 203941054800. Its totient is φ = 63333944800.

The previous prime is 131310211213. The next prime is 131310211229. The reversal of 131310211222 is 222112013131.

It is a self number, because there is not a number n which added to its sum of digits gives 131310211222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131310211229) 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, 956404 + ... + 1085047.

It is an arithmetic number, because the mean of its divisors is an integer number (12746315925).

Almost surely, 2131310211222 is an apocalyptic number.

131310211222 is a deficient number, since it is larger than the sum of its proper divisors (72630843578).

131310211222 is a wasteful number, since it uses less digits than its factorization.

131310211222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2042591.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 131310211222 its reverse (222112013131), we get a palindrome (353422224353).

The spelling of 131310211222 in words is "one hundred thirty-one billion, three hundred ten million, two hundred eleven thousand, two hundred twenty-two".

Divisors: 1 2 29 58 1109 2218 32161 64322 2041451 4082902 59202079 118404158 2263969159 4527938318 65655105611 131310211222