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331123010201 = 1791849849219
BaseRepresentation
bin1001101000110000111…
…10000010101010011001
31011122200112100202111122
410310120132002222121
520411114442311301
6412041003135025
732631352101404
oct4643036025231
91148615322448
10331123010201
11118479341535
1254210514475
13252bca6cc89
1412052798d3b
15892ebb681b
hex4d18782a99

331123010201 has 4 divisors (see below), whose sum is σ = 332972859600. Its totient is φ = 329273160804.

The previous prime is 331123010177. The next prime is 331123010233. The reversal of 331123010201 is 102010321133.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 331123010201 - 26 = 331123010137 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 331123010201.

It is not an unprimeable number, because it can be changed into a prime (331123012201) 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 3 ways as a sum of consecutive naturals, for example, 924924431 + ... + 924924788.

It is an arithmetic number, because the mean of its divisors is an integer number (83243214900).

Almost surely, 2331123010201 is an apocalyptic number.

It is an amenable number.

331123010201 is a deficient number, since it is larger than the sum of its proper divisors (1849849399).

331123010201 is a wasteful number, since it uses less digits than its factorization.

331123010201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1849849398.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 331123010201 its reverse (102010321133), we get a palindrome (433133331334).

The spelling of 331123010201 in words is "three hundred thirty-one billion, one hundred twenty-three million, ten thousand, two hundred one".

Divisors: 1 179 1849849219 331123010201