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331404112002431 = 1345553559625579
BaseRepresentation
bin100101101011010010000100…
…0010111110111110101111111
31121110101220221101002111201102
41023112210020113313311333
5321414211110133034211
63132500540340403315
7126543104560234526
oct11326441027676577
91543356841074642
10331404112002431
11966607705a1086
12312044066a653b
13112bc373326260
145bba08a5794bd
15284a8ac793a3b
hex12d69085f7d7f

331404112002431 has 8 divisors (see below), whose sum is σ = 356904571398480. Its totient is φ = 305904771948672.

The previous prime is 331404112002419. The next prime is 331404112002437. The reversal of 331404112002431 is 134200211404133.

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

It is a de Polignac number, because none of the positive numbers 2k-331404112002431 is a prime.

It is a super-2 number, since 2×3314041120024312 (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 331404112002394 and 331404112002403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (331404112002437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 279220601 + ... + 280404978.

It is an arithmetic number, because the mean of its divisors is an integer number (44613071424810).

Almost surely, 2331404112002431 is an apocalyptic number.

331404112002431 is a deficient number, since it is larger than the sum of its proper divisors (25500459396049).

331404112002431 is a wasteful number, since it uses less digits than its factorization.

331404112002431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 559671145.

The product of its (nonzero) digits is 6912, while the sum is 29.

Adding to 331404112002431 its reverse (134200211404133), we get a palindrome (465604323406564).

The spelling of 331404112002431 in words is "three hundred thirty-one trillion, four hundred four billion, one hundred twelve million, two thousand, four hundred thirty-one".

Divisors: 1 13 45553 592189 559625579 7275132527 25492624000187 331404112002431