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331013001 = 31117590041
BaseRepresentation
bin10011101110101…
…101101110001001
3212001212012110210
4103232231232021
51134214404001
652502431333
711126364324
oct2356555611
9761765423
10331013001
1115a936a70
1292a32549
1353768ba7
1431d677bb
151e0d7dd6
hex13badb89

331013001 has 16 divisors (see below), whose sum is σ = 509796288. Its totient is φ = 188812800.

The previous prime is 331012943. The next prime is 331013017. The reversal of 331013001 is 100310133.

It is not a de Polignac number, because 331013001 - 29 = 331012489 is a prime.

It is not an unprimeable number, because it can be changed into a prime (331013021) 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 15 ways as a sum of consecutive naturals, for example, 294460 + ... + 295581.

It is an arithmetic number, because the mean of its divisors is an integer number (31862268).

Almost surely, 2331013001 is an apocalyptic number.

It is an amenable number.

331013001 is a deficient number, since it is larger than the sum of its proper divisors (178783287).

331013001 is a wasteful number, since it uses less digits than its factorization.

331013001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 590072.

The product of its (nonzero) digits is 27, while the sum is 12.

The square root of 331013001 is about 18193.7626949458. The cubic root of 331013001 is about 691.7486982464.

Adding to 331013001 its reverse (100310133), we get a palindrome (431323134).

The spelling of 331013001 in words is "three hundred thirty-one million, thirteen thousand, one".

Divisors: 1 3 11 17 33 51 187 561 590041 1770123 6490451 10030697 19471353 30092091 110337667 331013001