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213331431359 = 1712548907727
BaseRepresentation
bin1100011010101110001…
…0110100111110111111
3202101122102201120022102
43012223202310332333
511443400321300414
6242000400535315
721261360150554
oct3065342647677
9671572646272
10213331431359
1182523038972
123541832153b
131716a2752b7
14a47a882a2b
155838a42ede
hex31ab8b4fbf

213331431359 has 4 divisors (see below), whose sum is σ = 225880339104. Its totient is φ = 200782523616.

The previous prime is 213331431331. The next prime is 213331431367. The reversal of 213331431359 is 953134133312.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-213331431359 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213331431059) 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, 6274453847 + ... + 6274453880.

It is an arithmetic number, because the mean of its divisors is an integer number (56470084776).

Almost surely, 2213331431359 is an apocalyptic number.

213331431359 is a deficient number, since it is larger than the sum of its proper divisors (12548907745).

213331431359 is a wasteful number, since it uses less digits than its factorization.

213331431359 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12548907744.

The product of its digits is 87480, while the sum is 38.

The spelling of 213331431359 in words is "two hundred thirteen billion, three hundred thirty-one million, four hundred thirty-one thousand, three hundred fifty-nine".

Divisors: 1 17 12548907727 213331431359