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331404001 = 17179108907
BaseRepresentation
bin10011110000001…
…101001011100001
3212002121001211021
4103300031023201
51134314412001
652515045441
711132613265
oct2360151341
9762531737
10331404001
11160083805
1292ba0881
1353874b56
143202a0a5
151e163ba1
hex13c0d2e1

331404001 has 8 divisors (see below), whose sum is σ = 352861920. Its totient is φ = 310164288.

The previous prime is 331403983. The next prime is 331404019. The reversal of 331404001 is 100404133.

It is an interprime number because it is at equal distance from previous prime (331403983) and next prime (331404019).

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 331404001 - 211 = 331401953 is a prime.

It is a super-2 number, since 2×3314040012 = 219657223757616002, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (331401001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51411 + ... + 57496.

It is an arithmetic number, because the mean of its divisors is an integer number (44107740).

Almost surely, 2331404001 is an apocalyptic number.

It is an amenable number.

331404001 is a deficient number, since it is larger than the sum of its proper divisors (21457919).

331404001 is a wasteful number, since it uses less digits than its factorization.

331404001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109103.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 331404001 is about 18204.5049644312. The cubic root of 331404001 is about 692.0209607793.

Adding to 331404001 its reverse (100404133), we get a palindrome (431808134).

The spelling of 331404001 in words is "three hundred thirty-one million, four hundred four thousand, one".

Divisors: 1 17 179 3043 108907 1851419 19494353 331404001