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311301133100201 = 341524191150561
BaseRepresentation
bin100011011001000000111000…
…1011101001110010010101001
31111211020002122012122202011202
41012302001301131032102221
5311300324210033201301
63022025433303133545
7122366523165042146
oct10662016135162251
91454202565582152
10311301133100201
1190210084038682
122aab82b37442b5
131049175632755a
1456c30ab7c73cd
1525ec9cbdea66b
hex11b207174e4a9

311301133100201 has 4 divisors (see below), whose sum is σ = 311301227666004. Its totient is φ = 311301038534400.

The previous prime is 311301133100143. The next prime is 311301133100327. The reversal of 311301133100201 is 102001331103113.

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

It can be written as a sum of positive squares in 2 ways, for example, as 55017822760000 + 256283310340201 = 7417400^2 + 16008851^2 .

It is a cyclic number.

It is not a de Polignac number, because 311301133100201 - 214 = 311301133083817 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (311301133103201) 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, 42160040 + ... + 48990521.

It is an arithmetic number, because the mean of its divisors is an integer number (77825306916501).

Almost surely, 2311301133100201 is an apocalyptic number.

It is an amenable number.

311301133100201 is a deficient number, since it is larger than the sum of its proper divisors (94565803).

311301133100201 is an equidigital number, since it uses as much as digits as its factorization.

311301133100201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94565802.

The product of its (nonzero) digits is 162, while the sum is 20.

Adding to 311301133100201 its reverse (102001331103113), we get a palindrome (413302464203314).

The spelling of 311301133100201 in words is "three hundred eleven trillion, three hundred one billion, one hundred thirty-three million, one hundred thousand, two hundred one".

Divisors: 1 3415241 91150561 311301133100201