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213102303133 = 316874267843
BaseRepresentation
bin1100011001110111100…
…0110001011110011101
3202101001110120122110211
43012131320301132131
511442413142200013
6241521533532421
721252605455336
oct3063570613635
9671043518424
10213102303133
11824157704a5
1235373644111
131713195ca75
14a45827b28d
15582388323d
hex319de3179d

213102303133 has 4 divisors (see below), whose sum is σ = 219976571008. Its totient is φ = 206228035260.

The previous prime is 213102303101. The next prime is 213102303143. The reversal of 213102303133 is 331303201312.

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 213102303133 - 25 = 213102303101 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 (213102303143) 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, 3437133891 + ... + 3437133952.

It is an arithmetic number, because the mean of its divisors is an integer number (54994142752).

Almost surely, 2213102303133 is an apocalyptic number.

It is an amenable number.

213102303133 is a deficient number, since it is larger than the sum of its proper divisors (6874267875).

213102303133 is an equidigital number, since it uses as much as digits as its factorization.

213102303133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6874267874.

The product of its (nonzero) digits is 972, while the sum is 22.

Adding to 213102303133 its reverse (331303201312), we get a palindrome (544405504445).

The spelling of 213102303133 in words is "two hundred thirteen billion, one hundred two million, three hundred three thousand, one hundred thirty-three".

Divisors: 1 31 6874267843 213102303133