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123201211313 = 314196932503
BaseRepresentation
bin111001010111101011…
…1010100101110110001
3102210000002210222212102
41302233113110232301
54004304002230223
6132333045310145
711621020005665
oct1625727245661
9383002728772
10123201211313
1148281965604
121ba63a05355
13b80548b34b
145d6a5688a5
153311042928
hex1caf5d4bb1

123201211313 has 8 divisors (see below), whose sum is σ = 130277285376. Its totient is φ = 116319002400.

The previous prime is 123201211303. The next prime is 123201211363. The reversal of 123201211313 is 313112102321.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 123201211313 - 216 = 123201145777 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123201211303) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48464981 + ... + 48467522.

It is an arithmetic number, because the mean of its divisors is an integer number (16284660672).

Almost surely, 2123201211313 is an apocalyptic number.

It is an amenable number.

123201211313 is a deficient number, since it is larger than the sum of its proper divisors (7076074063).

123201211313 is an equidigital number, since it uses as much as digits as its factorization.

123201211313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96932575.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 123201211313 its reverse (313112102321), we get a palindrome (436313313634).

The spelling of 123201211313 in words is "one hundred twenty-three billion, two hundred one million, two hundred eleven thousand, three hundred thirteen".

Divisors: 1 31 41 1271 96932503 3004907593 3974232623 123201211313