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13222333131 = 37629634911
BaseRepresentation
bin11000101000001110…
…01100101011001011
31021010111011010011220
430110013030223023
5204034404130011
610024012253123
7645442656120
oct142407145313
937114133156
1013222333131
115675731647
1226901711a3
131329478377
148d60c2747
15525c1d506
hex3141ccacb

13222333131 has 8 divisors (see below), whose sum is σ = 20148317184. Its totient is φ = 7555618920.

The previous prime is 13222333121. The next prime is 13222333133. The reversal of 13222333131 is 13133322231.

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

It is not a de Polignac number, because 13222333131 - 29 = 13222332619 is a prime.

It is a super-2 number, since 2×132223331312 (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13222333133) 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, 314817435 + ... + 314817476.

It is an arithmetic number, because the mean of its divisors is an integer number (2518539648).

Almost surely, 213222333131 is an apocalyptic number.

13222333131 is a deficient number, since it is larger than the sum of its proper divisors (6925984053).

13222333131 is an equidigital number, since it uses as much as digits as its factorization.

13222333131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 629634921.

The product of its digits is 1944, while the sum is 24.

Adding to 13222333131 its reverse (13133322231), we get a palindrome (26355655362).

The spelling of 13222333131 in words is "thirteen billion, two hundred twenty-two million, three hundred thirty-three thousand, one hundred thirty-one".

Divisors: 1 3 7 21 629634911 1888904733 4407444377 13222333131