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313111221223 = 5350911606599
BaseRepresentation
bin1001000111001101110…
…00100001001111100111
31002221012021000002001011
410203212320201033213
520112222433034343
6355501420043051
731423121316163
oct4434670411747
91087167002034
10313111221223
11110876137919
1250824393487
13236ac272788
141122457dca3
15822878029d
hex48e6e213e7

313111221223 has 8 divisors (see below), whose sum is σ = 319645764000. Its totient is φ = 306599892768.

The previous prime is 313111221197. The next prime is 313111221233. The reversal of 313111221223 is 322122111313.

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 313111221223 - 229 = 312574350311 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 313111221194 and 313111221203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313111221233) 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, 5776323 + ... + 5830276.

It is an arithmetic number, because the mean of its divisors is an integer number (39955720500).

Almost surely, 2313111221223 is an apocalyptic number.

313111221223 is a deficient number, since it is larger than the sum of its proper divisors (6534542777).

313111221223 is a wasteful number, since it uses less digits than its factorization.

313111221223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11607161.

The product of its digits is 432, while the sum is 22.

Adding to 313111221223 its reverse (322122111313), we get a palindrome (635233332536).

The spelling of 313111221223 in words is "three hundred thirteen billion, one hundred eleven million, two hundred twenty-one thousand, two hundred twenty-three".

Divisors: 1 53 509 26977 11606599 615149747 5907758891 313111221223