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131223133022210 = 2513122313302221
BaseRepresentation
bin11101110101100011000100…
…001110101110100000000010
3122012121210211202120200111122
4131311203010032232200002
5114144424434023202320
61143031024115312242
736432362364643115
oct3565430416564002
9565553752520448
10131223133022210
11388a246667a299
1212873b098ab682
13582b3996652c8
14245933ab2057c
1510286350bcd25
hex7758c43ae802

131223133022210 has 8 divisors (see below), whose sum is σ = 236201639439996. Its totient is φ = 52489253208880.

The previous prime is 131223133022131. The next prime is 131223133022251. The reversal of 131223133022210 is 12220331322131.

It can be written as a sum of positive squares in 2 ways, for example, as 125350124904169 + 5873008118041 = 11195987^2 + 2423429^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 131223133022210.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6561156651101 + ... + 6561156651120.

Almost surely, 2131223133022210 is an apocalyptic number.

131223133022210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

131223133022210 is a deficient number, since it is larger than the sum of its proper divisors (104978506417786).

131223133022210 is a wasteful number, since it uses less digits than its factorization.

131223133022210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13122313302228.

The product of its (nonzero) digits is 2592, while the sum is 26.

Adding to 131223133022210 its reverse (12220331322131), we get a palindrome (143443464344341).

The spelling of 131223133022210 in words is "one hundred thirty-one trillion, two hundred twenty-three billion, one hundred thirty-three million, twenty-two thousand, two hundred ten".

Divisors: 1 2 5 10 13122313302221 26244626604442 65611566511105 131223133022210