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131210140240342 = 2400716372615453
BaseRepresentation
bin11101110101010110111101…
…110011001100100111010110
3122012120120022021100222110101
4131311112331303030213112
5114144221331400142332
61143021034543044314
736431422410060442
oct3565267563144726
9565516267328411
10131210140240342
11388979a9584a39
12128714a25a069a
13582a0a891cbb7
142458867313822
1510281245e4ae7
hex7755bdccc9d6

131210140240342 has 8 divisors (see below), whose sum is σ = 196864328218896. Its totient is φ = 65588697500712.

The previous prime is 131210140240331. The next prime is 131210140240379. The reversal of 131210140240342 is 243042041012131.

It is a happy number.

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

It is a super-2 number, since 2×1312101402403422 (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 131210140240342.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8186299713 + ... + 8186315740.

It is an arithmetic number, because the mean of its divisors is an integer number (24608041027362).

Almost surely, 2131210140240342 is an apocalyptic number.

131210140240342 is a deficient number, since it is larger than the sum of its proper divisors (65654187978554).

131210140240342 is a wasteful number, since it uses less digits than its factorization.

131210140240342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16372619462.

The product of its (nonzero) digits is 4608, while the sum is 28.

Adding to 131210140240342 its reverse (243042041012131), we get a palindrome (374252181252473).

The spelling of 131210140240342 in words is "one hundred thirty-one trillion, two hundred ten billion, one hundred forty million, two hundred forty thousand, three hundred forty-two".

Divisors: 1 2 4007 8014 16372615453 32745230906 65605070120171 131210140240342