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313272313 = 1087288199
BaseRepresentation
bin10010101011000…
…010011111111001
3210211110212211021
4102223002133321
51120144203223
651030302441
710522525234
oct2253023771
9724425737
10313272313
1115091a142
1288ab7a21
134cb96c43
142d86a41b
151c78165d
hex12ac27f9

313272313 has 4 divisors (see below), whose sum is σ = 313561600. Its totient is φ = 312983028.

The previous prime is 313272307. The next prime is 313272371.

313272313 is nontrivially palindromic in base 10.

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.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-313272313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (313272373) 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, 143013 + ... + 145186.

It is an arithmetic number, because the mean of its divisors is an integer number (78390400).

Almost surely, 2313272313 is an apocalyptic number.

It is an amenable number.

313272313 is a deficient number, since it is larger than the sum of its proper divisors (289287).

313272313 is a wasteful number, since it uses less digits than its factorization.

313272313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 289286.

The product of its digits is 2268, while the sum is 25.

The square root of 313272313 is about 17699.5003601797. The cubic root of 313272313 is about 679.1629789170.

The spelling of 313272313 in words is "three hundred thirteen million, two hundred seventy-two thousand, three hundred thirteen".

Divisors: 1 1087 288199 313272313