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131344331524 = 22734571356919
BaseRepresentation
bin111101001010010111…
…0110111001100000100
3110120000121112100210021
41322110232313030010
54122443122102044
6140201100504524
712326556253150
oct1722456671404
9416017470707
10131344331524
11507804a631a
1221556b4b144
13c502561a83
1464ddc4a060
15363adade84
hex1e94bb7304

131344331524 has 24 divisors (see below), whose sum is σ = 262764844160. Its totient is φ = 56274103296.

The previous prime is 131344331513. The next prime is 131344331537. The reversal of 131344331524 is 425133443131.

It is a self number, because there is not a number n which added to its sum of digits gives 131344331524.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 581664 + ... + 775255.

Almost surely, 2131344331524 is an apocalyptic number.

131344331524 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

131344331524 is an abundant number, since it is smaller than the sum of its proper divisors (131420512636).

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

131344331524 is a wasteful number, since it uses less digits than its factorization.

131344331524 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1360387 (or 1360385 counting only the distinct ones).

The product of its digits is 51840, while the sum is 34.

Adding to 131344331524 its reverse (425133443131), we get a palindrome (556477774655).

The spelling of 131344331524 in words is "one hundred thirty-one billion, three hundred forty-four million, three hundred thirty-one thousand, five hundred twenty-four".

Divisors: 1 2 4 7 14 28 3457 6914 13828 24199 48398 96796 1356919 2713838 5427676 9498433 18996866 37993732 4690868983 9381737966 18763475932 32836082881 65672165762 131344331524