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331134441 = 31129346013
BaseRepresentation
bin10011101111001…
…011010111101001
3212002002101001120
4103233023113221
51134232300231
652505205453
711130411351
oct2357132751
9762071046
10331134441
1115aa0a230
1292a90889
13537ac251
1431d99b61
151e10dd96
hex13bcb5e9

331134441 has 16 divisors (see below), whose sum is σ = 498260160. Its totient is φ = 193766720.

The previous prime is 331134439. The next prime is 331134487. The reversal of 331134441 is 144431133.

It is a cyclic number.

It is not a de Polignac number, because 331134441 - 21 = 331134439 is a prime.

It is not an unprimeable number, because it can be changed into a prime (331134421) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 172050 + ... + 173963.

It is an arithmetic number, because the mean of its divisors is an integer number (31141260).

Almost surely, 2331134441 is an apocalyptic number.

It is an amenable number.

331134441 is a deficient number, since it is larger than the sum of its proper divisors (167125719).

331134441 is a wasteful number, since it uses less digits than its factorization.

331134441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 346056.

The product of its digits is 1728, while the sum is 24.

The square root of 331134441 is about 18197.0997963961. The cubic root of 331134441 is about 691.8332827295.

Adding to 331134441 its reverse (144431133), we get a palindrome (475565574).

The spelling of 331134441 in words is "three hundred thirty-one million, one hundred thirty-four thousand, four hundred forty-one".

Divisors: 1 3 11 29 33 87 319 957 346013 1038039 3806143 10034377 11418429 30103131 110378147 331134441