Search a number
-
+
23431131043413 = 340919096276319
BaseRepresentation
bin1010101001111011111000…
…01111100001011001010101
310001221222211210212000100120
411110331330033201121111
511032343424021342123
6121500040224102153
74635562161464352
oct524757417413125
9101858753760316
1023431131043413
1175140a5697865
12276513a464959
13100c713c46902
145b0103a61629
152a976e0662e3
hex154f7c3e1655

23431131043413 has 8 divisors (see below), whose sum is σ = 31317893164800. Its totient is φ = 15582561475488.

The previous prime is 23431131043399. The next prime is 23431131043421. The reversal of 23431131043413 is 31434013113432.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 23431131043413 - 26 = 23431131043349 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23431131043493) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9548136933 + ... + 9548139386.

It is an arithmetic number, because the mean of its divisors is an integer number (3914736645600).

Almost surely, 223431131043413 is an apocalyptic number.

It is an amenable number.

23431131043413 is a deficient number, since it is larger than the sum of its proper divisors (7886762121387).

23431131043413 is a wasteful number, since it uses less digits than its factorization.

23431131043413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19096276731.

The product of its (nonzero) digits is 31104, while the sum is 33.

Adding to 23431131043413 its reverse (31434013113432), we get a palindrome (54865144156845).

The spelling of 23431131043413 in words is "twenty-three trillion, four hundred thirty-one billion, one hundred thirty-one million, forty-three thousand, four hundred thirteen".

Divisors: 1 3 409 1227 19096276319 57288828957 7810377014471 23431131043413