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313126201 = 1046329927
BaseRepresentation
bin10010101010011…
…110110100111001
3210211012110101201
4102222132310321
51120130014301
651023214201
710521346243
oct2252366471
9724173351
10313126201
1115082a393
1288a47361
134cb4559b
142d82d093
151c753201
hex12a9ed39

313126201 has 4 divisors (see below), whose sum is σ = 313166592. Its totient is φ = 313085812.

The previous prime is 313126193. The next prime is 313126223. The reversal of 313126201 is 102621313.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 102621313 = 372773549.

It is a cyclic number.

It is not a de Polignac number, because 313126201 - 23 = 313126193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (313126291) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4501 + ... + 25426.

It is an arithmetic number, because the mean of its divisors is an integer number (78291648).

Almost surely, 2313126201 is an apocalyptic number.

It is an amenable number.

313126201 is a deficient number, since it is larger than the sum of its proper divisors (40391).

313126201 is a wasteful number, since it uses less digits than its factorization.

313126201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40390.

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 313126201 is about 17695.3723046451. The cubic root of 313126201 is about 679.0573739967.

Adding to 313126201 its reverse (102621313), we get a palindrome (415747514).

The spelling of 313126201 in words is "three hundred thirteen million, one hundred twenty-six thousand, two hundred one".

Divisors: 1 10463 29927 313126201