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212032310311 = 1064331992167
BaseRepresentation
bin1100010101111000011…
…1000100110000100111
3202021021220012101021001
43011132013010300213
511433220232412221
6241223432134131
721214233620623
oct3053607046047
9667256171231
10212032310311
1181a16791008
1235115237347
1316cc1087413
14a396110183
1557ae978391
hex315e1c4c27

212032310311 has 4 divisors (see below), whose sum is σ = 212034408912. Its totient is φ = 212030211712.

The previous prime is 212032310309. The next prime is 212032310363. The reversal of 212032310311 is 113013230212.

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 212032310311 - 21 = 212032310309 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 (212032310411) 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, 889651 + ... + 1102516.

It is an arithmetic number, because the mean of its divisors is an integer number (53008602228).

Almost surely, 2212032310311 is an apocalyptic number.

212032310311 is a deficient number, since it is larger than the sum of its proper divisors (2098601).

212032310311 is a wasteful number, since it uses less digits than its factorization.

212032310311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2098600.

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

Adding to 212032310311 its reverse (113013230212), we get a palindrome (325045540523).

The spelling of 212032310311 in words is "two hundred twelve billion, thirty-two million, three hundred ten thousand, three hundred eleven".

Divisors: 1 106433 1992167 212032310311