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214222223431 = 630133998131
BaseRepresentation
bin1100011110000010100…
…0111011100001000111
3202110221111220111022101
43013200220323201013
512002211342122211
6242225021412531
721322424566156
oct3074050734107
9673844814271
10214222223431
118293a951167
123562670a147
131727c9967b8
14a522cc359d
15588bd515c1
hex31e0a3b847

214222223431 has 4 divisors (see below), whose sum is σ = 214256227864. Its totient is φ = 214188219000.

The previous prime is 214222223429. The next prime is 214222223441. The reversal of 214222223431 is 134322222412.

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 214222223431 - 21 = 214222223429 is a prime.

It is a super-2 number, since 2×2142222234312 (a number of 23 digits) contains 22 as substring.

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 214222223431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (214222223441) 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, 16992765 + ... + 17005366.

It is an arithmetic number, because the mean of its divisors is an integer number (53564056966).

Almost surely, 2214222223431 is an apocalyptic number.

214222223431 is a deficient number, since it is larger than the sum of its proper divisors (34004433).

214222223431 is an equidigital number, since it uses as much as digits as its factorization.

214222223431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34004432.

The product of its digits is 9216, while the sum is 28.

Adding to 214222223431 its reverse (134322222412), we get a palindrome (348544445843).

The spelling of 214222223431 in words is "two hundred fourteen billion, two hundred twenty-two million, two hundred twenty-three thousand, four hundred thirty-one".

Divisors: 1 6301 33998131 214222223431