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131121044201 = 755313386653
BaseRepresentation
bin111101000011101101…
…1000101101011101001
3110112110001101012011102
41322013123011223221
54122013441403301
6140123003011145
712321205325540
oct1720733055351
9415401335142
10131121044201
1150676458244
12214b4209ab5
13c498212cb4
1464bc325157
1536264a4b6b
hex1e876c5ae9

131121044201 has 8 divisors (see below), whose sum is σ = 149879759424. Its totient is φ = 112369113360.

The previous prime is 131121044189. The next prime is 131121044231. The reversal of 131121044201 is 102440121131.

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

It is not a de Polignac number, because 131121044201 - 26 = 131121044137 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (131121044231) 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, 1654610 + ... + 1732043.

It is an arithmetic number, because the mean of its divisors is an integer number (18734969928).

Almost surely, 2131121044201 is an apocalyptic number.

It is an amenable number.

131121044201 is a deficient number, since it is larger than the sum of its proper divisors (18758715223).

131121044201 is an equidigital number, since it uses as much as digits as its factorization.

131121044201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3392191.

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 131121044201 its reverse (102440121131), we get a palindrome (233561165332).

The spelling of 131121044201 in words is "one hundred thirty-one billion, one hundred twenty-one million, forty-four thousand, two hundred one".

Divisors: 1 7 5531 38717 3386653 23706571 18731577743 131121044201