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313120222404402 = 23725822991829017
BaseRepresentation
bin100011100110001111111101…
…1101000001101111100110010
31112001200000000200010001010010
41013030133323220031330302
5312020130203413420102
63025541235552115350
7122645122003023300
oct10714377350157462
91461600020101103
10313120222404402
11908515a457a026
122b150968b35b56
131059415837751a
145747157539270
15262ee9777dd6c
hex11cc7fba0df32

313120222404402 has 48 divisors (see below), whose sum is σ = 728485432077600. Its totient is φ = 89462718136512.

The previous prime is 313120222404281. The next prime is 313120222404419. The reversal of 313120222404402 is 204404222021313.

It is a self number, because there is not a number n which added to its sum of digits gives 313120222404402.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 170281398 + ... + 172110414.

It is an arithmetic number, because the mean of its divisors is an integer number (15176779834950).

Almost surely, 2313120222404402 is an apocalyptic number.

313120222404402 is an abundant number, since it is smaller than the sum of its proper divisors (415365209673198).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

313120222404402 is a wasteful number, since it uses less digits than its factorization.

313120222404402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2411335 (or 2411328 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 30.

Adding to 313120222404402 its reverse (204404222021313), we get a palindrome (517524444425715).

The spelling of 313120222404402 in words is "three hundred thirteen trillion, one hundred twenty billion, two hundred twenty-two million, four hundred four thousand, four hundred two".

Divisors: 1 2 3 6 7 14 21 42 49 98 147 294 582299 1164598 1746897 1829017 3493794 3658034 4076093 5487051 8152186 10974102 12228279 12803119 24456558 25606238 28532651 38409357 57065302 76818714 85597953 89621833 171195906 179243666 268865499 537730998 1065034770083 2130069540166 3195104310249 6390208620498 7455243390581 14910486781162 22365730171743 44731460343486 52186703734067 104373407468134 156560111202201 313120222404402