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331131341 = 3111064731
BaseRepresentation
bin10011101111001…
…010100111001101
3212002002012210202
4103233022213031
51134232200331
652505143245
711130366332
oct2357124715
9762065722
10331131341
1115aa07972
1292a8ab25
13537aaa08
1431d98989
151e10cecb
hex13bca9cd

331131341 has 4 divisors (see below), whose sum is σ = 332196384. Its totient is φ = 330066300.

The previous prime is 331131337. The next prime is 331131371. The reversal of 331131341 is 143131133.

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 331131341 - 22 = 331131337 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (331131371) 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, 532055 + ... + 532676.

It is an arithmetic number, because the mean of its divisors is an integer number (83049096).

Almost surely, 2331131341 is an apocalyptic number.

It is an amenable number.

331131341 is a deficient number, since it is larger than the sum of its proper divisors (1065043).

331131341 is a wasteful number, since it uses less digits than its factorization.

331131341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1065042.

The product of its digits is 324, while the sum is 20.

The square root of 331131341 is about 18197.0146177883. The cubic root of 331131341 is about 691.8311237979.

Adding to 331131341 its reverse (143131133), we get a palindrome (474262474).

The spelling of 331131341 in words is "three hundred thirty-one million, one hundred thirty-one thousand, three hundred forty-one".

Divisors: 1 311 1064731 331131341