Search a number
-
+
13131342222 = 235371581599
BaseRepresentation
bin11000011101011000…
…00110000110001110
31020220010221022010020
430032230012012032
5203343110422342
610011002123010
7643256365365
oct141654060616
936803838106
1013131342222
115629333849
1226657b0466
13131366a3ab
148c7d987dc
1551cc480ec
hex30eb0618e

13131342222 has 32 divisors (see below), whose sum is σ = 27135129600. Its totient is φ = 4234033440.

The previous prime is 13131342167. The next prime is 13131342307. The reversal of 13131342222 is 22224313131.

It is a junction number, because it is equal to n+sod(n) for n = 13131342192 and 13131342201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 268222 + ... + 313377.

It is an arithmetic number, because the mean of its divisors is an integer number (847972800).

Almost surely, 213131342222 is an apocalyptic number.

13131342222 is an abundant number, since it is smaller than the sum of its proper divisors (14003787378).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13131342222 is a wasteful number, since it uses less digits than its factorization.

13131342222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 581728.

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

Adding to 13131342222 its reverse (22224313131), we get a palindrome (35355655353).

The spelling of 13131342222 in words is "thirteen billion, one hundred thirty-one million, three hundred forty-two thousand, two hundred twenty-two".

Divisors: 1 2 3 6 53 71 106 142 159 213 318 426 3763 7526 11289 22578 581599 1163198 1744797 3489594 30824747 41293529 61649494 82587058 92474241 123880587 184948482 247761174 2188557037 4377114074 6565671111 13131342222