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131201001210133 = 1108311838040351
BaseRepresentation
bin11101110101001110011101…
…000100100100000100010101
3122012112200201100200010212001
4131311032131010210010111
5114144044122302211013
61143012524033555301
736430650055435501
oct3565163504440425
9565480640603761
10131201001210133
1138894039864308
121286b771a15b31
135829280411b0a
14245823b66b301
151027c8c103ddd
hex77539d124115

131201001210133 has 4 divisors (see below), whose sum is σ = 131212839261568. Its totient is φ = 131189163158700.

The previous prime is 131201001210131. The next prime is 131201001210151. The reversal of 131201001210133 is 331012100102131.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 131201001210133 - 21 = 131201001210131 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 131201001210133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131201001210131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5919009093 + ... + 5919031258.

It is an arithmetic number, because the mean of its divisors is an integer number (32803209815392).

Almost surely, 2131201001210133 is an apocalyptic number.

It is an amenable number.

131201001210133 is a deficient number, since it is larger than the sum of its proper divisors (11838051435).

131201001210133 is a wasteful number, since it uses less digits than its factorization.

131201001210133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11838051434.

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 131201001210133 its reverse (331012100102131), we get a palindrome (462213101312264).

The spelling of 131201001210133 in words is "one hundred thirty-one trillion, two hundred one billion, one million, two hundred ten thousand, one hundred thirty-three".

Divisors: 1 11083 11838040351 131201001210133