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131201420214342 = 23193137125472613
BaseRepresentation
bin11101110101001110110110…
…000010111100000001000110
3122012112201210120002202120110
4131311032312002330001012
5114144101002033324332
61143013033402413450
736430663334061222
oct3565166602740106
9565481716082513
10131201420214342
113889423432a385
121286b86a201286
1358293191784ba
14245827b17b782
151027cb3cbd4cc
hex7753b60bc046

131201420214342 has 32 divisors (see below), whose sum is σ = 285123629675520. Its totient is φ = 40095510420960.

The previous prime is 131201420214317. The next prime is 131201420214349. The reversal of 131201420214342 is 243412024102131.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131201420214349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18562732773 + ... + 18562739840.

It is an arithmetic number, because the mean of its divisors is an integer number (8910113427360).

Almost surely, 2131201420214342 is an apocalyptic number.

131201420214342 is an abundant number, since it is smaller than the sum of its proper divisors (153922209461178).

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

131201420214342 is a wasteful number, since it uses less digits than its factorization.

131201420214342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37125472668.

The product of its (nonzero) digits is 9216, while the sum is 30.

Adding to 131201420214342 its reverse (243412024102131), we get a palindrome (374613444316473).

The spelling of 131201420214342 in words is "one hundred thirty-one trillion, two hundred one billion, four hundred twenty million, two hundred fourteen thousand, three hundred forty-two".

Divisors: 1 2 3 6 19 31 38 57 62 93 114 186 589 1178 1767 3534 37125472613 74250945226 111376417839 222752835678 705383979647 1150889651003 1410767959294 2116151938941 2301779302006 3452668953009 4232303877882 6905337906018 21866903369057 43733806738114 65600710107171 131201420214342