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212020032311 = 1931359966099
BaseRepresentation
bin1100010101110101100…
…0001111001100110111
3202021021001002121000022
43011131120033030313
511433204112013221
6241222313035355
721214024352663
oct3053530171467
9667231077008
10212020032311
1181a0a8653aa
12351110b5b5b
1316cbb678a29
14a3946358a3
1557ad8504ab
hex315d60f337

212020032311 has 8 divisors (see below), whose sum is σ = 230378304000. Its totient is φ = 194381692920.

The previous prime is 212020032307. The next prime is 212020032317. The reversal of 212020032311 is 113230020212.

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 212020032311 - 22 = 212020032307 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 212020032311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212020032317) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 179982461 + ... + 179983638.

It is an arithmetic number, because the mean of its divisors is an integer number (28797288000).

Almost surely, 2212020032311 is an apocalyptic number.

212020032311 is a deficient number, since it is larger than the sum of its proper divisors (18358271689).

212020032311 is a wasteful number, since it uses less digits than its factorization.

212020032311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 359966149.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 212020032311 its reverse (113230020212), we get a palindrome (325250052523).

The spelling of 212020032311 in words is "two hundred twelve billion, twenty million, thirty-two thousand, three hundred eleven".

Divisors: 1 19 31 589 359966099 6839355881 11158949069 212020032311