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313211031223 = 1929568441073
BaseRepresentation
bin1001000111011001101…
…01010000111010110111
31002221110012210221121211
410203230311100322313
520112424010444343
6355515343222251
731425442560346
oct4435465207267
91087405727554
10313211031223
11110917509622
12508518a7987
13236c6b4a94c
1411233921b5d
1582323e879d
hex48ecd50eb7

313211031223 has 8 divisors (see below), whose sum is σ = 341064644400. Its totient is φ = 286494300288.

The previous prime is 313211031179. The next prime is 313211031227. The reversal of 313211031223 is 322130112313.

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 313211031223 - 225 = 313177476791 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 313211031194 and 313211031203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313211031227) 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, 284219986 + ... + 284221087.

It is an arithmetic number, because the mean of its divisors is an integer number (42633080550).

Almost surely, 2313211031223 is an apocalyptic number.

313211031223 is a deficient number, since it is larger than the sum of its proper divisors (27853613177).

313211031223 is a wasteful number, since it uses less digits than its factorization.

313211031223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 568441121.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 313211031223 its reverse (322130112313), we get a palindrome (635341143536).

The spelling of 313211031223 in words is "three hundred thirteen billion, two hundred eleven million, thirty-one thousand, two hundred twenty-three".

Divisors: 1 19 29 551 568441073 10800380387 16484791117 313211031223