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133431201201 = 3612539287173
BaseRepresentation
bin111110001000100011…
…1101000110110110001
3110202102001100022210210
41330101013220312301
54141231341414301
6141144125414333
712432356332254
oct1742107506661
9422361308723
10133431201201
1151651486401
1221a39a0a3a9
13c775a032bc
14665b07909b
15370e1d0ad6
hex1f111e8db1

133431201201 has 16 divisors (see below), whose sum is σ = 180896646080. Its totient is φ = 87461104320.

The previous prime is 133431201199. The next prime is 133431201209. The reversal of 133431201201 is 102102134331.

It is not a de Polignac number, because 133431201201 - 21 = 133431201199 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133431201209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 321051 + ... + 608223.

It is an arithmetic number, because the mean of its divisors is an integer number (11306040380).

Almost surely, 2133431201201 is an apocalyptic number.

It is an amenable number.

133431201201 is a deficient number, since it is larger than the sum of its proper divisors (47465444879).

133431201201 is a wasteful number, since it uses less digits than its factorization.

133431201201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 289776.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 133431201201 its reverse (102102134331), we get a palindrome (235533335532).

The spelling of 133431201201 in words is "one hundred thirty-three billion, four hundred thirty-one million, two hundred one thousand, two hundred one".

Divisors: 1 3 61 183 2539 7617 154879 287173 464637 861519 17517553 52552659 729132247 2187396741 44477067067 133431201201