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313424121 = 31722727073
BaseRepresentation
bin10010101011100…
…111100011111001
3210211202121001210
4102223213203321
51120214032441
651033433333
710524026643
oct2253474371
9724677053
10313424121
11150a131aa
1288b6b849
134cc1b07a
142d8a9893
151c7b1616
hex12ae78f9

313424121 has 16 divisors (see below), whose sum is σ = 444446784. Its totient is φ = 195784704.

The previous prime is 313424117. The next prime is 313424143. The reversal of 313424121 is 121424313.

It is not a de Polignac number, because 313424121 - 22 = 313424117 is a prime.

It is not an unprimeable number, because it can be changed into a prime (313424101) 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, 1960 + ... + 25113.

It is an arithmetic number, because the mean of its divisors is an integer number (27777924).

Almost surely, 2313424121 is an apocalyptic number.

It is an amenable number.

313424121 is a deficient number, since it is larger than the sum of its proper divisors (131022663).

313424121 is a wasteful number, since it uses less digits than its factorization.

313424121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27320.

The product of its digits is 576, while the sum is 21.

The square root of 313424121 is about 17703.7883234069. The cubic root of 313424121 is about 679.2726659418.

Adding to 313424121 its reverse (121424313), we get a palindrome (434848434).

The spelling of 313424121 in words is "three hundred thirteen million, four hundred twenty-four thousand, one hundred twenty-one".

Divisors: 1 3 17 51 227 681 3859 11577 27073 81219 460241 1380723 6145571 18436713 104474707 313424121