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331222200013 = 1272608048819
BaseRepresentation
bin1001101000111100110…
…00011010111011001101
31011122221110000010100101
410310132120122323031
520411320340400023
6412054505131101
732633665150465
oct4643630327315
91148843003311
10331222200013
1111851a32a291
1254239789a91
132530748ba83
1412061a18ba5
15893875b1ad
hex4d1e61aecd

331222200013 has 4 divisors (see below), whose sum is σ = 333830248960. Its totient is φ = 328614151068.

The previous prime is 331222199981. The next prime is 331222200047. The reversal of 331222200013 is 310002222133.

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, and also an emirpimes, since its reverse is a distinct semiprime: 310002222133 = 1272440962379.

It is a cyclic number.

It is not a de Polignac number, because 331222200013 - 25 = 331222199981 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (331222200613) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1304024283 + ... + 1304024536.

It is an arithmetic number, because the mean of its divisors is an integer number (83457562240).

Almost surely, 2331222200013 is an apocalyptic number.

It is an amenable number.

331222200013 is a deficient number, since it is larger than the sum of its proper divisors (2608048947).

331222200013 is a wasteful number, since it uses less digits than its factorization.

331222200013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2608048946.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 331222200013 its reverse (310002222133), we get a palindrome (641224422146).

The spelling of 331222200013 in words is "three hundred thirty-one billion, two hundred twenty-two million, two hundred thousand, thirteen".

Divisors: 1 127 2608048819 331222200013