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313213401 = 32130726627
BaseRepresentation
bin10010101010110…
…100000111011001
3210211100220000100
4102222310013121
51120140312101
651025130013
710522161414
oct2252640731
9724326010
10313213401
11150889956
1288a89909
134cb76197
142d852b7b
151c76de86
hex12ab41d9

313213401 has 12 divisors (see below), whose sum is σ = 452782512. Its totient is φ = 208641336.

The previous prime is 313213357. The next prime is 313213489. The reversal of 313213401 is 104312313.

313213401 is a `hidden beast` number, since 3 + 1 + 321 + 340 + 1 = 666.

It is not a de Polignac number, because 313213401 - 210 = 313212377 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (313213001) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1551 + ... + 25076.

It is an arithmetic number, because the mean of its divisors is an integer number (37731876).

Almost surely, 2313213401 is an apocalyptic number.

It is an amenable number.

313213401 is a deficient number, since it is larger than the sum of its proper divisors (139569111).

313213401 is a wasteful number, since it uses less digits than its factorization.

313213401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27940 (or 27937 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 313213401 is about 17697.8360541621. The cubic root of 313213401 is about 679.1204032237.

Adding to 313213401 its reverse (104312313), we get a palindrome (417525714).

The spelling of 313213401 in words is "three hundred thirteen million, two hundred thirteen thousand, four hundred one".

Divisors: 1 3 9 1307 3921 11763 26627 79881 239643 34801489 104404467 313213401