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131222042324 = 22232753518099
BaseRepresentation
bin111101000110101110…
…0010111011011010100
3110112201002102102112122
41322031130113123110
54122220320323244
6140141011435112
712323542645652
oct1721534273324
9415632372478
10131222042324
115071847066a
1221521bb5a98
13c4b3115bb9
1464cb8d5dd2
1536302a51ee
hex1e8d7176d4

131222042324 has 24 divisors (see below), whose sum is σ = 239710363200. Its totient is φ = 62735450624.

The previous prime is 131222042311. The next prime is 131222042353. The reversal of 131222042324 is 423240222131.

It is a junction number, because it is equal to n+sod(n) for n = 131222042293 and 131222042302.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5774 + ... + 512325.

It is an arithmetic number, because the mean of its divisors is an integer number (9987931800).

Almost surely, 2131222042324 is an apocalyptic number.

It is an amenable number.

131222042324 is a deficient number, since it is larger than the sum of its proper divisors (108488320876).

131222042324 is a wasteful number, since it uses less digits than its factorization.

131222042324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 520879 (or 520877 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 131222042324 its reverse (423240222131), we get a palindrome (554462264455).

The spelling of 131222042324 in words is "one hundred thirty-one billion, two hundred twenty-two million, forty-two thousand, three hundred twenty-four".

Divisors: 1 2 4 23 46 92 2753 5506 11012 63319 126638 253276 518099 1036198 2072396 11916277 23832554 47665108 1426326547 2852653094 5705306188 32805510581 65611021162 131222042324