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313423213 = 29472271013
BaseRepresentation
bin10010101011100…
…111010101101101
3210211202112211011
4102223213111231
51120214020323
651033425221
710524024205
oct2253472555
9724675734
10313423213
11150a12554
1288b6b211
134cc1a82c
142d8a9405
151c7b120d
hex12ae756d

313423213 has 16 divisors (see below), whose sum is σ = 332916480. Its totient is φ = 294581056.

The previous prime is 313423171. The next prime is 313423217. The reversal of 313423213 is 312324313.

It is a cyclic number.

It is not a de Polignac number, because 313423213 - 29 = 313422701 is a prime.

It is a super-2 number, since 2×3134232132 = 196468220894486738, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313423217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 308895 + ... + 309907.

It is an arithmetic number, because the mean of its divisors is an integer number (20807280).

Almost surely, 2313423213 is an apocalyptic number.

It is an amenable number.

313423213 is a deficient number, since it is larger than the sum of its proper divisors (19493267).

313423213 is a wasteful number, since it uses less digits than its factorization.

313423213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1316.

The product of its digits is 1296, while the sum is 22.

The square root of 313423213 is about 17703.7626791595. The cubic root of 313423213 is about 679.2720099828.

Adding to 313423213 its reverse (312324313), we get a palindrome (625747526).

The spelling of 313423213 in words is "three hundred thirteen million, four hundred twenty-three thousand, two hundred thirteen".

Divisors: 1 29 47 227 1013 1363 6583 10669 29377 47611 229951 309401 1380719 6668579 10807697 313423213