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131402230323402 = 2321900371720567
BaseRepresentation
bin11101111000001001110111…
…010000101101100011001010
3122020020221010100202020210010
4131320021313100231203022
5114210343231430322102
61143245203512132350
736451332522614223
oct3570116720554312
9566227110666703
10131402230323402
11389614114064a5
12128a27710970b6
13584223c27993c
142463c8aa9a24a
15102d118414d6c
hex77827742d8ca

131402230323402 has 8 divisors (see below), whose sum is σ = 262804460646816. Its totient is φ = 43800743441132.

The previous prime is 131402230323367. The next prime is 131402230323439. The reversal of 131402230323402 is 204323032204131.

It is a happy number.

131402230323402 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

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

131402230323402 is an admirable number.

It is a super-2 number, since 2×1314022303234022 (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 131402230323402.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10950185860278 + ... + 10950185860289.

It is an arithmetic number, because the mean of its divisors is an integer number (32850557580852).

Almost surely, 2131402230323402 is an apocalyptic number.

131402230323402 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

131402230323402 is a wasteful number, since it uses less digits than its factorization.

131402230323402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21900371720572.

The product of its (nonzero) digits is 20736, while the sum is 30.

Adding to 131402230323402 its reverse (204323032204131), we get a palindrome (335725262527533).

The spelling of 131402230323402 in words is "one hundred thirty-one trillion, four hundred two billion, two hundred thirty million, three hundred twenty-three thousand, four hundred two".

Divisors: 1 2 3 6 21900371720567 43800743441134 65701115161701 131402230323402