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131044404324 = 22317642374531
BaseRepresentation
bin111101000001011011…
…0101110110001100100
3110112020201011111000110
41322002312232301210
54121334331414244
6140111224213020
712316255025631
oct1720266566144
9415221144013
10131044404324
11506371715a9
122149260a170
13c48538b162
1464b2095188
15361e8b69b9
hex1e82daec64

131044404324 has 24 divisors (see below), whose sum is σ = 323756764128. Its totient is φ = 41111969920.

The previous prime is 131044404301. The next prime is 131044404373. The reversal of 131044404324 is 423404440131.

It is a junction number, because it is equal to n+sod(n) for n = 131044404291 and 131044404300.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 321187062 + ... + 321187469.

It is an arithmetic number, because the mean of its divisors is an integer number (13489865172).

Almost surely, 2131044404324 is an apocalyptic number.

It is an amenable number.

131044404324 is an abundant number, since it is smaller than the sum of its proper divisors (192712359804).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

131044404324 is a wasteful number, since it uses less digits than its factorization.

131044404324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 642374555 (or 642374553 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 30.

Adding to 131044404324 its reverse (423404440131), we get a palindrome (554448844455).

The spelling of 131044404324 in words is "one hundred thirty-one billion, forty-four million, four hundred four thousand, three hundred twenty-four".

Divisors: 1 2 3 4 6 12 17 34 51 68 102 204 642374531 1284749062 1927123593 2569498124 3854247186 7708494372 10920367027 21840734054 32761101081 43681468108 65522202162 131044404324