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131303130331423 = 149881229062627
BaseRepresentation
bin11101110110101101100100…
…011100001111100100011111
3122012220110022220122001102211
4131312231210130033210133
5114202232302331101143
61143131454135301251
736441223654566631
oct3566554434174437
9565813286561384
10131303130331423
1138923388008786
121288751481a827
135835aa806742b
14245d169398a51
15102a76820949d
hex776b6470f91f

131303130331423 has 4 divisors (see below), whose sum is σ = 132184359394200. Its totient is φ = 130421901268648.

The previous prime is 131303130331409. The next prime is 131303130331519. The reversal of 131303130331423 is 324133031303131.

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

It is a cyclic number.

It is not a de Polignac number, because 131303130331423 - 213 = 131303130323231 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131303130335423) 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, 440614531165 + ... + 440614531462.

It is an arithmetic number, because the mean of its divisors is an integer number (33046089848550).

Almost surely, 2131303130331423 is an apocalyptic number.

131303130331423 is a deficient number, since it is larger than the sum of its proper divisors (881229062777).

131303130331423 is an equidigital number, since it uses as much as digits as its factorization.

131303130331423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 881229062776.

The product of its (nonzero) digits is 17496, while the sum is 31.

Adding to 131303130331423 its reverse (324133031303131), we get a palindrome (455436161634554).

The spelling of 131303130331423 in words is "one hundred thirty-one trillion, three hundred three billion, one hundred thirty million, three hundred thirty-one thousand, four hundred twenty-three".

Divisors: 1 149 881229062627 131303130331423