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212132003131 = 1491423704719
BaseRepresentation
bin1100010110010000001…
…1010111110100111011
3202021112211210022002201
43011210003113310323
511433421243100011
6241241353011031
721216554163346
oct3054403276473
9667484708081
10212132003131
1181a67a92774
12351426b3a77
1317008921159
14a3a546145d
1557b85bbcc1
hex31640d7d3b

212132003131 has 4 divisors (see below), whose sum is σ = 213555708000. Its totient is φ = 210708298264.

The previous prime is 212132003119. The next prime is 212132003137. The reversal of 212132003131 is 131300231212.

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

It is a cyclic number.

It is not a de Polignac number, because 212132003131 - 215 = 212131970363 is a prime.

It is a super-2 number, since 2×2121320031312 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 212132003099 and 212132003108.

It is not an unprimeable number, because it can be changed into a prime (212132003137) 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, 711852211 + ... + 711852508.

It is an arithmetic number, because the mean of its divisors is an integer number (53388927000).

Almost surely, 2212132003131 is an apocalyptic number.

212132003131 is a deficient number, since it is larger than the sum of its proper divisors (1423704869).

212132003131 is a wasteful number, since it uses less digits than its factorization.

212132003131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1423704868.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 212132003131 its reverse (131300231212), we get a palindrome (343432234343).

The spelling of 212132003131 in words is "two hundred twelve billion, one hundred thirty-two million, three thousand, one hundred thirty-one".

Divisors: 1 149 1423704719 212132003131