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331035349 = 615426809
BaseRepresentation
bin10011101110110…
…011001011010101
3212001220100010111
4103232303023111
51134221112344
652503123021
711126516431
oct2356631325
9761810114
10331035349
1115a951837
1292a43471
1353776108
1431d719c1
151e0de834
hex13bb32d5

331035349 has 4 divisors (see below), whose sum is σ = 336462220. Its totient is φ = 325608480.

The previous prime is 331035317. The next prime is 331035361. The reversal of 331035349 is 943530133.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 183412849 + 147622500 = 13543^2 + 12150^2 .

It is a cyclic number.

It is not a de Polignac number, because 331035349 - 25 = 331035317 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 331035349.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (331035379) 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 3 ways as a sum of consecutive naturals, for example, 2713344 + ... + 2713465.

It is an arithmetic number, because the mean of its divisors is an integer number (84115555).

Almost surely, 2331035349 is an apocalyptic number.

It is an amenable number.

331035349 is a deficient number, since it is larger than the sum of its proper divisors (5426871).

331035349 is an equidigital number, since it uses as much as digits as its factorization.

331035349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5426870.

The product of its (nonzero) digits is 14580, while the sum is 31.

The square root of 331035349 is about 18194.3768511043. The cubic root of 331035349 is about 691.7642654617.

The spelling of 331035349 in words is "three hundred thirty-one million, thirty-five thousand, three hundred forty-nine".

Divisors: 1 61 5426809 331035349