Search a number
-
+
231322220002113 = 31737122587291999
BaseRepresentation
bin110100100110001011100110…
…110000000111101101000001
31010100001012002020112022220220
4310212023212300013231001
5220304440401310031423
62135551543312053253
766503323153416612
oct6446134660075501
91110035066468826
10231322220002113
11677852256a6aa9
1221b3b967534229
139c0c7900b5bb6
14411a0ab607c09
151bb234d8779e3
hexd262e6c07b41

231322220002113 has 16 divisors (see below), whose sum is σ = 335398830912000. Its totient is φ = 141220560381696.

The previous prime is 231322220002087. The next prime is 231322220002123. The reversal of 231322220002113 is 311200022223132.

It is not a de Polignac number, because 231322220002113 - 28 = 231322220001857 is a prime.

It is not an unprimeable number, because it can be changed into a prime (231322220002123) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 61293644113 + ... + 61293647886.

It is an arithmetic number, because the mean of its divisors is an integer number (20962426932000).

Almost surely, 2231322220002113 is an apocalyptic number.

It is an amenable number.

231322220002113 is a deficient number, since it is larger than the sum of its proper divisors (104076610909887).

231322220002113 is a wasteful number, since it uses less digits than its factorization.

231322220002113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122587292056.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 231322220002113 its reverse (311200022223132), we get a palindrome (542522242225245).

The spelling of 231322220002113 in words is "two hundred thirty-one trillion, three hundred twenty-two billion, two hundred twenty million, two thousand, one hundred thirteen".

Divisors: 1 3 17 37 51 111 629 1887 122587291999 367761875997 2083983963983 4535729803963 6251951891949 13607189411889 77107406667371 231322220002113