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311313211201 = 3773115258501
BaseRepresentation
bin1001000011110111011…
…01101001111101000001
31002202112221201200222101
410201323231221331001
520100032140224301
6355003150310401
731330426430356
oct4417355517501
91082487650871
10311313211201
11110033212323
12504021b8401
13234838cb415
14110d386462d
1581709bb701
hex487bb69f41

311313211201 has 8 divisors (see below), whose sum is σ = 324106907624. Its totient is φ = 298750032000.

The previous prime is 311313211189. The next prime is 311313211259. The reversal of 311313211201 is 102112313113.

It can be written as a sum of positive squares in 4 ways, for example, as 98220186801 + 213093024400 = 313401^2 + 461620^2 .

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 311313211201 - 27 = 311313211073 is a prime.

It is not an unprimeable number, because it can be changed into a prime (311313211301) 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, 57626550 + ... + 57631951.

It is an arithmetic number, because the mean of its divisors is an integer number (40513363453).

Almost surely, 2311313211201 is an apocalyptic number.

It is an amenable number.

311313211201 is a deficient number, since it is larger than the sum of its proper divisors (12793696423).

311313211201 is a wasteful number, since it uses less digits than its factorization.

311313211201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115258611.

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 311313211201 its reverse (102112313113), we get a palindrome (413425524314).

The spelling of 311313211201 in words is "three hundred eleven billion, three hundred thirteen million, two hundred eleven thousand, two hundred one".

Divisors: 1 37 73 2701 115258501 4264564537 8413870573 311313211201