Search a number
-
+
331213121102320 = 24522131870837783
BaseRepresentation
bin100101101001111001001000…
…0011011011010000111110000
31121102201122221220000111221021
41023103302100123122013300
5321403043433000233240
63132233112434505224
7126523233622332052
oct11323622033320760
91542648856014837
10331213121102320
1196597772176a86
12311933a4135214
13112a7356622322
145bb0b2cb9b8d2
1528459301e754a
hex12d3c906da1f0

331213121102320 has 40 divisors (see below), whose sum is σ = 770418482802336. Its totient is φ = 132425381561088.

The previous prime is 331213121102267. The next prime is 331213121102321. The reversal of 331213121102320 is 23201121312133.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (331213121102321) 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, 935241852 + ... + 935595931.

Almost surely, 2331213121102320 is an apocalyptic number.

It is an amenable number.

331213121102320 is an abundant number, since it is smaller than the sum of its proper divisors (439205361700016).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

331213121102320 is a wasteful number, since it uses less digits than its factorization.

331213121102320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1870840009 (or 1870840003 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 25.

Adding to 331213121102320 its reverse (23201121312133), we get a palindrome (354414242414453).

The spelling of 331213121102320 in words is "three hundred thirty-one trillion, two hundred thirteen billion, one hundred twenty-one million, one hundred two thousand, three hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 40 80 2213 4426 8852 11065 17704 22130 35408 44260 88520 177040 1870837783 3741675566 7483351132 9354188915 14966702264 18708377830 29933404528 37416755660 74833511320 149667022640 4140164013779 8280328027558 16560656055116 20700820068895 33121312110232 41401640137790 66242624220464 82803280275580 165606560551160 331213121102320