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213302320131 = 3457584326627
BaseRepresentation
bin1100011010100111001…
…1110001110000000011
3202101120101221120012210
43012221303301300003
511443320343221011
6241553440553203
721260554543305
oct3065163616003
9671511846183
10213302320131
11825086651aa
123540a622803
1317164221a14
14a476a65975
1558361e26a6
hex31a9cf1c03

213302320131 has 16 divisors (see below), whose sum is σ = 285084906624. Its totient is φ = 141860771904.

The previous prime is 213302320123. The next prime is 213302320141. The reversal of 213302320131 is 131023203312.

It is not a de Polignac number, because 213302320131 - 23 = 213302320123 is a prime.

It is a super-2 number, since 2×2133023201312 (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 213302320098 and 213302320107.

It is not an unprimeable number, because it can be changed into a prime (213302320111) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7997440 + ... + 8024066.

It is an arithmetic number, because the mean of its divisors is an integer number (17817806664).

Almost surely, 2213302320131 is an apocalyptic number.

213302320131 is a deficient number, since it is larger than the sum of its proper divisors (71782586493).

213302320131 is a wasteful number, since it uses less digits than its factorization.

213302320131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32930.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 213302320131 its reverse (131023203312), we get a palindrome (344325523443).

The spelling of 213302320131 in words is "two hundred thirteen billion, three hundred two million, three hundred twenty thousand, one hundred thirty-one".

Divisors: 1 3 457 1371 5843 17529 26627 79881 2670251 8010753 12168539 36505617 155581561 466744683 71100773377 213302320131