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22431412213 = 73204487459
BaseRepresentation
bin10100111001000001…
…000010111111110101
32010220021122210202221
4110321001002333311
5331414420142323
614145503002341
71422604600150
oct247101027765
963807583687
1022431412213
119570a47001
1244202993b1
1321663412a2
14112b1a0c97
158b444955d
hex539042ff5

22431412213 has 4 divisors (see below), whose sum is σ = 25635899680. Its totient is φ = 19226924748.

The previous prime is 22431412163. The next prime is 22431412231. The reversal of 22431412213 is 31221413422.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 22431412213 - 217 = 22431281141 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 (22431442213) 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, 1602243723 + ... + 1602243736.

It is an arithmetic number, because the mean of its divisors is an integer number (6408974920).

Almost surely, 222431412213 is an apocalyptic number.

It is an amenable number.

22431412213 is a deficient number, since it is larger than the sum of its proper divisors (3204487467).

22431412213 is an equidigital number, since it uses as much as digits as its factorization.

22431412213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3204487466.

The product of its digits is 2304, while the sum is 25.

Adding to 22431412213 its reverse (31221413422), we get a palindrome (53652825635).

The spelling of 22431412213 in words is "twenty-two billion, four hundred thirty-one million, four hundred twelve thousand, two hundred thirteen".

Divisors: 1 7 3204487459 22431412213