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22030120331 = 55739551383
BaseRepresentation
bin10100100001000110…
…001111010110001011
32002212022120001210122
4110201012033112023
5330104202322311
614042005533455
71406632635032
oct244106172613
962768501718
1022030120331
11938547951a
124329a1428b
13210116997b
1410cdb81719
1588e0cd0db
hex52118f58b

22030120331 has 4 divisors (see below), whose sum is σ = 22069672272. Its totient is φ = 21990568392.

The previous prime is 22030120319. The next prime is 22030120379. The reversal of 22030120331 is 13302103022.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-22030120331 is a prime.

It is a super-2 number, since 2×220301203312 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22030120391) 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, 19775135 + ... + 19776248.

It is an arithmetic number, because the mean of its divisors is an integer number (5517418068).

Almost surely, 222030120331 is an apocalyptic number.

22030120331 is a deficient number, since it is larger than the sum of its proper divisors (39551941).

22030120331 is an equidigital number, since it uses as much as digits as its factorization.

22030120331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39551940.

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 22030120331 its reverse (13302103022), we get a palindrome (35332223353).

The spelling of 22030120331 in words is "twenty-two billion, thirty million, one hundred twenty thousand, three hundred thirty-one".

Divisors: 1 557 39551383 22030120331