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331000513 = 1673595521
BaseRepresentation
bin10011101110101…
…010101011000001
3212001211120100021
4103232222223001
51134214004023
652502253441
711126313034
oct2356525301
9761746307
10331000513
1115a928648
1292a27281
13537632bc
1431d6301b
151e0d435d
hex13baaac1

331000513 has 8 divisors (see below), whose sum is σ = 333970560. Its totient is φ = 328042560.

The previous prime is 331000511. The next prime is 331000531. The reversal of 331000513 is 315000133.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 331000513 - 21 = 331000511 is a prime.

It is a super-2 number, since 2×3310005132 = 219122679212526338, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (331000511) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57193 + ... + 62713.

It is an arithmetic number, because the mean of its divisors is an integer number (41746320).

Almost surely, 2331000513 is an apocalyptic number.

It is an amenable number.

331000513 is a deficient number, since it is larger than the sum of its proper divisors (2970047).

331000513 is a wasteful number, since it uses less digits than its factorization.

331000513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6047.

The product of its (nonzero) digits is 135, while the sum is 16.

The square root of 331000513 is about 18193.4194971698. The cubic root of 331000513 is about 691.7399990247.

Adding to 331000513 its reverse (315000133), we get a palindrome (646000646).

The spelling of 331000513 in words is "three hundred thirty-one million, five hundred thirteen", and thus it is an aban number.

Divisors: 1 167 359 5521 59953 922007 1982039 331000513