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331041133 = 437698631
BaseRepresentation
bin10011101110110…
…100100101101101
3212001220122001201
4103232310211231
51134221304013
652503205501
711126542333
oct2356644555
9761818051
10331041133
1115a956115
1292a46891
1353778937
1431d73b53
151e0e13dd
hex13bb496d

331041133 has 4 divisors (see below), whose sum is σ = 338739808. Its totient is φ = 323342460.

The previous prime is 331041131. The next prime is 331041167. The reversal of 331041133 is 331140133.

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 not a de Polignac number, because 331041133 - 21 = 331041131 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 331041133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (331041131) 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, 3849273 + ... + 3849358.

It is an arithmetic number, because the mean of its divisors is an integer number (84684952).

Almost surely, 2331041133 is an apocalyptic number.

It is an amenable number.

331041133 is a deficient number, since it is larger than the sum of its proper divisors (7698675).

331041133 is an equidigital number, since it uses as much as digits as its factorization.

331041133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7698674.

The product of its (nonzero) digits is 324, while the sum is 19.

The square root of 331041133 is about 18194.5358006188. The cubic root of 331041133 is about 691.7682943781.

Adding to 331041133 its reverse (331140133), we get a palindrome (662181266).

The spelling of 331041133 in words is "three hundred thirty-one million, forty-one thousand, one hundred thirty-three".

Divisors: 1 43 7698631 331041133