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211131241213 = 2933592007199
BaseRepresentation
bin1100010010100001100…
…1110001001011111101
3202011222002200022211111
43010220121301023331
511424344044204323
6240554203122021
721153012640204
oct3045031611375
9664862608744
10211131241213
11815a4099502
1234b03513311
1316ba94a8239
14a30c59623b
15575a7d9c0d
hex31286712fd

211131241213 has 8 divisors (see below), whose sum is σ = 212442048000. Its totient is φ = 209824450128.

The previous prime is 211131241201. The next prime is 211131241249. The reversal of 211131241213 is 312142131112.

211131241213 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 211131241213 - 233 = 202541306621 is a prime.

It is a super-2 number, since 2×2111312412132 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211131241283) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 898413 + ... + 1108786.

It is an arithmetic number, because the mean of its divisors is an integer number (26555256000).

Almost surely, 2211131241213 is an apocalyptic number.

It is an amenable number.

211131241213 is a deficient number, since it is larger than the sum of its proper divisors (1310806787).

211131241213 is a wasteful number, since it uses less digits than its factorization.

211131241213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2007851.

The product of its digits is 288, while the sum is 22.

Adding to 211131241213 its reverse (312142131112), we get a palindrome (523273372325).

The spelling of 211131241213 in words is "two hundred eleven billion, one hundred thirty-one million, two hundred forty-one thousand, two hundred thirteen".

Divisors: 1 293 359 105187 2007199 588109307 720584441 211131241213