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313113332321 = 1783221908811
BaseRepresentation
bin1001000111001110000…
…00100100101001100001
31002221012101222022220222
410203213000210221201
520112224003113241
6355501533212425
731423145261036
oct4434700445141
91087171868828
10313113332321
11110877349a29
1250825031115
13236ac83164a
141122496d38d
158228a4aa4b
hex48e7024a61

313113332321 has 8 divisors (see below), whose sum is σ = 335526123744. Its totient is φ = 291144358720.

The previous prime is 313113332309. The next prime is 313113332333. The reversal of 313113332321 is 123233311313.

It is an interprime number because it is at equal distance from previous prime (313113332309) and next prime (313113332333).

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 313113332321 - 214 = 313113315937 is a prime.

It is a super-3 number, since 3×3131133323213 (a number of 35 digits) contains 333 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (313113332341) 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, 110952995 + ... + 110955816.

It is an arithmetic number, because the mean of its divisors is an integer number (41940765468).

Almost surely, 2313113332321 is an apocalyptic number.

It is an amenable number.

313113332321 is a deficient number, since it is larger than the sum of its proper divisors (22412791423).

313113332321 is a wasteful number, since it uses less digits than its factorization.

313113332321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221908911.

The product of its digits is 2916, while the sum is 26.

Adding to 313113332321 its reverse (123233311313), we get a palindrome (436346643634).

The spelling of 313113332321 in words is "three hundred thirteen billion, one hundred thirteen million, three hundred thirty-two thousand, three hundred twenty-one".

Divisors: 1 17 83 1411 221908811 3772449787 18418431313 313113332321