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131443140243 = 3231904973047
BaseRepresentation
bin111101001101010011…
…1110010011010010011
3110120021111110100212110
41322122213302122103
54123143420441433
6140214550400403
712332166154212
oct1723247623223
9416244410773
10131443140243
1150821253818
1221584060103
13c519b7927c
14650d00b079
1536448ca963
hex1e9a9f2693

131443140243 has 8 divisors (see below), whose sum is σ = 182877412608. Its totient is φ = 83818814024.

The previous prime is 131443140229. The next prime is 131443140253. The reversal of 131443140243 is 342041344131.

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

It is a cyclic number.

It is not a de Polignac number, because 131443140243 - 214 = 131443123859 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 131443140243.

It is not an unprimeable number, because it can be changed into a prime (131443140203) 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, 952486455 + ... + 952486592.

It is an arithmetic number, because the mean of its divisors is an integer number (22859676576).

Almost surely, 2131443140243 is an apocalyptic number.

131443140243 is a deficient number, since it is larger than the sum of its proper divisors (51434272365).

131443140243 is a wasteful number, since it uses less digits than its factorization.

131443140243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1904973073.

The product of its (nonzero) digits is 13824, while the sum is 30.

Adding to 131443140243 its reverse (342041344131), we get a palindrome (473484484374).

The spelling of 131443140243 in words is "one hundred thirty-one billion, four hundred forty-three million, one hundred forty thousand, two hundred forty-three".

Divisors: 1 3 23 69 1904973047 5714919141 43814380081 131443140243