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131044121023442 = 21115661380342951
BaseRepresentation
bin11101110010111100010110…
…010010001001001111010010
3122011222200210002220221011012
4131302330112102021033102
5114134011324440222232
61142412501011050522
736413424324031064
oct3562742622111722
9564880702827135
10131044121023442
1138833555006060
121284528aba0a42
13581753b619693
1424507d822b734
151023b594c59b2
hex772f164893d2

131044121023442 has 16 divisors (see below), whose sum is σ = 214449527312064. Its totient is φ = 59561705970000.

The previous prime is 131044121023441. The next prime is 131044121023493. The reversal of 131044121023442 is 244320121440131.

It is a junction number, because it is equal to n+sod(n) for n = 131044121023399 and 131044121023408.

It is not an unprimeable number, because it can be changed into a prime (131044121023441) 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, 189826934 + ... + 190516017.

It is an arithmetic number, because the mean of its divisors is an integer number (13403095457004).

Almost surely, 2131044121023442 is an apocalyptic number.

131044121023442 is a deficient number, since it is larger than the sum of its proper divisors (83405406288622).

131044121023442 is a wasteful number, since it uses less digits than its factorization.

131044121023442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 380358625.

The product of its (nonzero) digits is 18432, while the sum is 32.

Adding to 131044121023442 its reverse (244320121440131), we get a palindrome (375364242463573).

The spelling of 131044121023442 in words is "one hundred thirty-one trillion, forty-four billion, one hundred twenty-one million, twenty-three thousand, four hundred forty-two".

Divisors: 1 2 11 22 15661 31322 172271 344542 380342951 760685902 4183772461 8367544922 5956550955611 11913101911222 65522060511721 131044121023442