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120201313 = 604319891
BaseRepresentation
bin1110010101000…
…10000001100001
322101011212012111
413022202001201
5221232420223
615532155321
72656460101
oct712420141
9271155174
10120201313
116193a031
1234308b41
131bb9774b
1411d6d201
15a84530d
hex72a2061

120201313 has 4 divisors (see below), whose sum is σ = 120227248. Its totient is φ = 120175380.

The previous prime is 120201281. The next prime is 120201329. The reversal of 120201313 is 313102021.

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 120201313 - 25 = 120201281 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 120201293 and 120201302.

It is not an unprimeable number, because it can be changed into a prime (120201343) 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, 3903 + ... + 15988.

It is an arithmetic number, because the mean of its divisors is an integer number (30056812).

Almost surely, 2120201313 is an apocalyptic number.

It is an amenable number.

120201313 is a deficient number, since it is larger than the sum of its proper divisors (25935).

120201313 is an equidigital number, since it uses as much as digits as its factorization.

120201313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25934.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 120201313 is about 10963.6359388663. The cubic root of 120201313 is about 493.5180832975.

Adding to 120201313 its reverse (313102021), we get a palindrome (433303334).

The spelling of 120201313 in words is "one hundred twenty million, two hundred one thousand, three hundred thirteen".

Divisors: 1 6043 19891 120201313