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311313302201 = 1156834979977
BaseRepresentation
bin1001000011110111011…
…10000000001010111001
31002202112221220022210202
410201323232000022321
520100032201132301
6355003152251545
731330430256566
oct4417356001271
91082487808722
10311313302201
11110033274730
1250402240bb5
1323483930975
14110d388986d
1581709d866b
hex487bb802b9

311313302201 has 8 divisors (see below), whose sum is σ = 339674339424. Its totient is φ = 282962236320.

The previous prime is 311313302189. The next prime is 311313302227. The reversal of 311313302201 is 102203313113.

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 311313302201 - 210 = 311313301177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (311313302501) 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, 2427476 + ... + 2552501.

It is an arithmetic number, because the mean of its divisors is an integer number (42459292428).

Almost surely, 2311313302201 is an apocalyptic number.

It is an amenable number.

311313302201 is a deficient number, since it is larger than the sum of its proper divisors (28361037223).

311313302201 is a wasteful number, since it uses less digits than its factorization.

311313302201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4985671.

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

Adding to 311313302201 its reverse (102203313113), we get a palindrome (413516615314).

The spelling of 311313302201 in words is "three hundred eleven billion, three hundred thirteen million, three hundred two thousand, two hundred one".

Divisors: 1 11 5683 62513 4979977 54779747 28301209291 311313302201