Search a number
-
+
231122130212023 = 1671383964851569
BaseRepresentation
bin110100100011010001010000…
…011110001001010010110111
31010022100001121122021211120121
4310203101100132021102313
5220243201110313241043
62135320012453312411
766453010562313121
oct6443212036112267
91108301548254517
10231122130212023
1167708388188216
1221b09025935707
139bc69532b94bb
144110529632211
151bac03c5b8ded
hexd234507894b7

231122130212023 has 4 divisors (see below), whose sum is σ = 232506095063760. Its totient is φ = 229738165360288.

The previous prime is 231122130212009. The next prime is 231122130212059. The reversal of 231122130212023 is 320212031221132.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-231122130212023 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 (231122130212423) 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, 691982425618 + ... + 691982425951.

It is an arithmetic number, because the mean of its divisors is an integer number (58126523765940).

Almost surely, 2231122130212023 is an apocalyptic number.

231122130212023 is a deficient number, since it is larger than the sum of its proper divisors (1383964851737).

231122130212023 is a wasteful number, since it uses less digits than its factorization.

231122130212023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1383964851736.

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 231122130212023 its reverse (320212031221132), we get a palindrome (551334161433155).

The spelling of 231122130212023 in words is "two hundred thirty-one trillion, one hundred twenty-two billion, one hundred thirty million, two hundred twelve thousand, twenty-three".

Divisors: 1 167 1383964851569 231122130212023