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313213203 = 3311600489
BaseRepresentation
bin10010101010110…
…100000100010011
3210211100212202000
4102222310010103
51120140310303
651025125043
710522161012
oct2252640423
9724325660
10313213203
11150889796
1288a89783
134cb76074
142d852a79
151c76dda3
hex12ab4113

313213203 has 8 divisors (see below), whose sum is σ = 464019600. Its totient is φ = 208808784.

The previous prime is 313213193. The next prime is 313213207. The reversal of 313213203 is 302312313.

It is not a de Polignac number, because 313213203 - 25 = 313213171 is a prime.

It is not an unprimeable number, because it can be changed into a prime (313213207) 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, 5800218 + ... + 5800271.

It is an arithmetic number, because the mean of its divisors is an integer number (58002450).

Almost surely, 2313213203 is an apocalyptic number.

313213203 is a deficient number, since it is larger than the sum of its proper divisors (150806397).

313213203 is a wasteful number, since it uses less digits than its factorization.

313213203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11600498 (or 11600492 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

The square root of 313213203 is about 17697.8304602570. The cubic root of 313213203 is about 679.1202601201.

Adding to 313213203 its reverse (302312313), we get a palindrome (615525516).

The spelling of 313213203 in words is "three hundred thirteen million, two hundred thirteen thousand, two hundred three".

Divisors: 1 3 9 27 11600489 34801467 104404401 313213203