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BaseRepresentation
bin1100010101110011110…
…1011111101101001111
3202021020112220102201022
43011130331133231033
511433200313201111
6241221502504355
721213610644566
oct3053475375517
9667215812638
10212013022031
1181a06907488
123510a8950bb
1316cba092c35
14a39372cbdd
1557ace182db
hex315cf5fb4f

212013022031 has 2 divisors, whose sum is σ = 212013022032. Its totient is φ = 212013022030.

The previous prime is 212013022007. The next prime is 212013022037. The reversal of 212013022031 is 130220310212.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 212013022031 - 218 = 212012759887 is a prime.

It is a super-2 number, since 2×2120130220312 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212013022037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106006511015 + 106006511016.

It is an arithmetic number, because the mean of its divisors is an integer number (106006511016).

Almost surely, 2212013022031 is an apocalyptic number.

212013022031 is a deficient number, since it is larger than the sum of its proper divisors (1).

212013022031 is an equidigital number, since it uses as much as digits as its factorization.

212013022031 is an odious number, because the sum of its binary digits is odd.

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

Adding to 212013022031 its reverse (130220310212), we get a palindrome (342233332243).

The spelling of 212013022031 in words is "two hundred twelve billion, thirteen million, twenty-two thousand, thirty-one".