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331211011202131 = 898275944967581
BaseRepresentation
bin100101101001111000001001…
…0101010110001110001010011
31121102201110111211212110222211
41023103300102222301301103
5321403030122331432011
63132232123224212551
7126523130422432414
oct11323602252616123
91542643454773884
10331211011202131
119659688a196815
1231192ab560a157
13112a70ab479188
145bb09ac89580b
152845859d76b21
hex12d3c12ab1c53

331211011202131 has 8 divisors (see below), whose sum is σ = 334936537768800. Its totient is φ = 327485574736320.

The previous prime is 331211011202101. The next prime is 331211011202147. The reversal of 331211011202131 is 131202110112133.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-331211011202131 is a prime.

It is a super-2 number, since 2×3312110112021312 (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (331211011202101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15118240 + ... + 29849341.

It is an arithmetic number, because the mean of its divisors is an integer number (41867067221100).

Almost surely, 2331211011202131 is an apocalyptic number.

331211011202131 is a deficient number, since it is larger than the sum of its proper divisors (3725526566669).

331211011202131 is an equidigital number, since it uses as much as digits as its factorization.

331211011202131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45050429.

The product of its (nonzero) digits is 216, while the sum is 22.

Adding to 331211011202131 its reverse (131202110112133), we get a palindrome (462413121314264).

The spelling of 331211011202131 in words is "three hundred thirty-one trillion, two hundred eleven billion, eleven million, two hundred two thousand, one hundred thirty-one".

Divisors: 1 89 82759 7365551 44967581 4002114709 3721472035979 331211011202131