Search a number
-
+
13222402131431 = 21376187366463
BaseRepresentation
bin1100000001101001010010…
…0101010000010111100111
31201211001022221100101212102
43000122110211100113213
53213113434421201211
644042142050042315
72533200310464053
oct300322445202747
951731287311772
1013222402131431
1142386533288a9
12159670b87939b
1374bb3723605c
14339d79444c63
1517de296bea3b
hexc06949505e7

13222402131431 has 4 divisors (see below), whose sum is σ = 13228589500032. Its totient is φ = 13216214762832.

The previous prime is 13222402131391. The next prime is 13222402131451. The reversal of 13222402131431 is 13413120422231.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 13222402131431 - 210 = 13222402130407 is a prime.

It is a super-2 number, since 2×132224021314312 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13222402131394 and 13222402131403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13222402131451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3093681095 + ... + 3093685368.

It is an arithmetic number, because the mean of its divisors is an integer number (3307147375008).

Almost surely, 213222402131431 is an apocalyptic number.

13222402131431 is a deficient number, since it is larger than the sum of its proper divisors (6187368601).

13222402131431 is an equidigital number, since it uses as much as digits as its factorization.

13222402131431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6187368600.

The product of its (nonzero) digits is 6912, while the sum is 29.

Adding to 13222402131431 its reverse (13413120422231), we get a palindrome (26635522553662).

The spelling of 13222402131431 in words is "thirteen trillion, two hundred twenty-two billion, four hundred two million, one hundred thirty-one thousand, four hundred thirty-one".

Divisors: 1 2137 6187366463 13222402131431