Search a number
-
+
331314243 = 31337229601
BaseRepresentation
bin10011101111110…
…111010001000011
3212002102111200220
4103233313101003
51134304023433
652513114123
711132060511
oct2357672103
9762374626
10331314243
11160022327
1292b58943
1353843040
14320054b1
151e1472b3
hex13bf7443

331314243 has 16 divisors (see below), whose sum is σ = 488593056. Its totient is φ = 198374400.

The previous prime is 331314211. The next prime is 331314257. The reversal of 331314243 is 342413133.

It is not a de Polignac number, because 331314243 - 25 = 331314211 is a prime.

It is a super-2 number, since 2×3313142432 = 219538255229326098, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (331314443) 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, 113358 + ... + 116243.

It is an arithmetic number, because the mean of its divisors is an integer number (30537066).

Almost surely, 2331314243 is an apocalyptic number.

331314243 is a deficient number, since it is larger than the sum of its proper divisors (157278813).

331314243 is a wasteful number, since it uses less digits than its factorization.

331314243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 229654.

The product of its digits is 2592, while the sum is 24.

The square root of 331314243 is about 18202.0395285803. The cubic root of 331314243 is about 691.9584791096.

Adding to 331314243 its reverse (342413133), we get a palindrome (673727376).

The spelling of 331314243 in words is "three hundred thirty-one million, three hundred fourteen thousand, two hundred forty-three".

Divisors: 1 3 13 37 39 111 481 1443 229601 688803 2984813 8495237 8954439 25485711 110438081 331314243