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131142422220401 = 3371231316122383
BaseRepresentation
bin11101110100010111111001…
…011111011100111001110001
3122012100002111212222010201202
4131310113321133130321301
5114142114140042023101
61142525555210540545
736423504322311044
oct3564277137347161
9565302455863652
10131142422220401
11388712095162a9
1212860343a37755
1358238a61ab607
1424554817d8c5b
1510264ae4e636b
hex7745f97dce71

131142422220401 has 8 divisors (see below), whose sum is σ = 131638418655744. Its totient is φ = 130647058032960.

The previous prime is 131142422220377. The next prime is 131142422220409. The reversal of 131142422220401 is 104022224241131.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-131142422220401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131142422220409) 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, 157646345 + ... + 158476038.

It is an arithmetic number, because the mean of its divisors is an integer number (16454802331968).

Almost surely, 2131142422220401 is an apocalyptic number.

It is an amenable number.

131142422220401 is a deficient number, since it is larger than the sum of its proper divisors (495996435343).

131142422220401 is a wasteful number, since it uses less digits than its factorization.

131142422220401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 316123951.

The product of its (nonzero) digits is 6144, while the sum is 29.

Adding to 131142422220401 its reverse (104022224241131), we get a palindrome (235164646461532).

The spelling of 131142422220401 in words is "one hundred thirty-one trillion, one hundred forty-two billion, four hundred twenty-two million, two hundred twenty thousand, four hundred one".

Divisors: 1 337 1231 414847 316122383 106533243071 389146653473 131142422220401