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221130301313 = 383577363711
BaseRepresentation
bin1100110111110001100…
…1001001111110000001
3210010202221200012122202
43031330121021332001
512110333324120223
6245330313442545
721655546356005
oct3157431117601
9703687605582
10221130301313
1185865321339
1236a34110455
1317b10c2694c
14a9ba552705
155b4355e428
hex337c649f81

221130301313 has 4 divisors (see below), whose sum is σ = 221707665408. Its totient is φ = 220552937220.

The previous prime is 221130301307. The next prime is 221130301373. The reversal of 221130301313 is 313103031122.

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 221130301313 - 212 = 221130297217 is a prime.

It is a super-2 number, since 2×2211303013132 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (221130301373) 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, 288681473 + ... + 288682238.

It is an arithmetic number, because the mean of its divisors is an integer number (55426916352).

Almost surely, 2221130301313 is an apocalyptic number.

It is an amenable number.

221130301313 is a deficient number, since it is larger than the sum of its proper divisors (577364095).

221130301313 is an equidigital number, since it uses as much as digits as its factorization.

221130301313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 577364094.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 221130301313 its reverse (313103031122), we get a palindrome (534233332435).

The spelling of 221130301313 in words is "two hundred twenty-one billion, one hundred thirty million, three hundred one thousand, three hundred thirteen".

Divisors: 1 383 577363711 221130301313