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313311222011 = 1747392129189
BaseRepresentation
bin1001000111100101100…
…11011101100011111011
31002221201012100011112202
410203302303131203323
520113130133101021
6355533322500415
731431100305644
oct4436263354373
91087635304482
10313311222011
11110969020427
125087b36470b
132371182a238
1411242d626cb
15823b0d9a0b
hex48f2cdd8fb

313311222011 has 8 divisors (see below), whose sum is σ = 338799620160. Its totient is φ = 288607082368.

The previous prime is 313311221987. The next prime is 313311222013. The reversal of 313311222011 is 110222113313.

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 313311222011 - 230 = 312237480187 is a prime.

It is a super-2 number, since 2×3133112220112 (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (313311222013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 196063796 + ... + 196065393.

It is an arithmetic number, because the mean of its divisors is an integer number (42349952520).

Almost surely, 2313311222011 is an apocalyptic number.

313311222011 is a deficient number, since it is larger than the sum of its proper divisors (25488398149).

313311222011 is a wasteful number, since it uses less digits than its factorization.

313311222011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 392129253.

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

Adding to 313311222011 its reverse (110222113313), we get a palindrome (423533335324).

The spelling of 313311222011 in words is "three hundred thirteen billion, three hundred eleven million, two hundred twenty-two thousand, eleven".

Divisors: 1 17 47 799 392129189 6666196213 18430071883 313311222011