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131352513214 = 2132809480367
BaseRepresentation
bin111101001010100111…
…0000100101010111110
3110120001011221000221211
41322111032010222332
54123002220410324
6140201552115034
712330015640366
oct1722516045276
9416034830854
10131352513214
115078508434a
1221559835a7a
13c504167b00
146500d799a6
15363b978294
hex1e95384abe

131352513214 has 24 divisors (see below), whose sum is σ = 213614845920. Its totient is φ = 60549173568.

The previous prime is 131352513209. The next prime is 131352513221. The reversal of 131352513214 is 412315253131.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 33259 + ... + 513625.

It is an arithmetic number, because the mean of its divisors is an integer number (8900618580).

Almost surely, 2131352513214 is an apocalyptic number.

131352513214 is a deficient number, since it is larger than the sum of its proper divisors (82262332706).

131352513214 is a wasteful number, since it uses less digits than its factorization.

131352513214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 481204 (or 481191 counting only the distinct ones).

The product of its digits is 10800, while the sum is 31.

Adding to 131352513214 its reverse (412315253131), we get a palindrome (543667766345).

The spelling of 131352513214 in words is "one hundred thirty-one billion, three hundred fifty-two million, five hundred thirteen thousand, two hundred fourteen".

Divisors: 1 2 13 26 169 338 809 1618 10517 21034 136721 273442 480367 960734 6244771 12489542 81182023 162364046 388616903 777233806 5052019739 10104039478 65676256607 131352513214