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2131434343201 = 19111159342111
BaseRepresentation
bin11111000001000011011…
…000110000101100100001
321112202121022202021120011
4133001003120300230201
5234410134142440301
64311100055044521
7306663633663022
oct37010330605441
97482538667504
102131434343201
11751a33136219
122a5105070741
13125cbb650497
147523a64ac49
153a69bc1ba51
hex1f043630b21

2131434343201 has 4 divisors (see below), whose sum is σ = 2142593685504. Its totient is φ = 2120275000900.

The previous prime is 2131434343067. The next prime is 2131434343249. The reversal of 2131434343201 is 1023434341312.

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 2131434343201 - 29 = 2131434342689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2131434343261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5579670865 + ... + 5579671246.

It is an arithmetic number, because the mean of its divisors is an integer number (535648421376).

Almost surely, 22131434343201 is an apocalyptic number.

It is an amenable number.

2131434343201 is a deficient number, since it is larger than the sum of its proper divisors (11159342303).

2131434343201 is a wasteful number, since it uses less digits than its factorization.

2131434343201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11159342302.

The product of its (nonzero) digits is 20736, while the sum is 31.

Adding to 2131434343201 its reverse (1023434341312), we get a palindrome (3154868684513).

The spelling of 2131434343201 in words is "two trillion, one hundred thirty-one billion, four hundred thirty-four million, three hundred forty-three thousand, two hundred one".

Divisors: 1 191 11159342111 2131434343201