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131331033043 = 718761576149
BaseRepresentation
bin111101001001111110…
…0001000011111010011
3110112222200111201200221
41322103330020133103
54122431221024133
6140155503453511
712326335235110
oct1722374103723
9415880451627
10131331033043
1150773a42a41
12215525b7297
13c4cc886a52
1464dc187907
153639b33a2d
hex1e93f087d3

131331033043 has 4 divisors (see below), whose sum is σ = 150092609200. Its totient is φ = 112569456888.

The previous prime is 131331032969. The next prime is 131331033059. The reversal of 131331033043 is 340330133131.

It is a semiprime because it is the product of two primes.

It is a de Polignac number, because none of the positive numbers 2k-131331033043 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 131331032999 and 131331033017.

It is not an unprimeable number, because it can be changed into a prime (131331033443) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9380788068 + ... + 9380788081.

It is an arithmetic number, because the mean of its divisors is an integer number (37523152300).

Almost surely, 2131331033043 is an apocalyptic number.

131331033043 is a deficient number, since it is larger than the sum of its proper divisors (18761576157).

131331033043 is an equidigital number, since it uses as much as digits as its factorization.

131331033043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18761576156.

The product of its (nonzero) digits is 2916, while the sum is 25.

Adding to 131331033043 its reverse (340330133131), we get a palindrome (471661166174).

The spelling of 131331033043 in words is "one hundred thirty-one billion, three hundred thirty-one million, thirty-three thousand, forty-three".

Divisors: 1 7 18761576149 131331033043