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131302313022 = 2355201396437
BaseRepresentation
bin111101001001000111…
…0100100110000111110
3110112220200110121020110
41322102032210300332
54122401343004042
6140153000130450
712325536150216
oct1722216446076
9415820417213
10131302313022
1150759807191
1221544a66a26
13c4c693c55a
1464d842d246
15363735e09c
hex1e923a4c3e

131302313022 has 16 divisors (see below), whose sum is σ = 262610045712. Its totient is φ = 43766534400.

The previous prime is 131302313017. The next prime is 131302313029. The reversal of 131302313022 is 220313203131.

It is a self number, because there is not a number n which added to its sum of digits gives 131302313022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131302313029) by changing a digit.

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, 132988 + ... + 529424.

It is an arithmetic number, because the mean of its divisors is an integer number (16413127857).

Almost surely, 2131302313022 is an apocalyptic number.

131302313022 is an abundant number, since it is smaller than the sum of its proper divisors (131307732690).

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

131302313022 is a wasteful number, since it uses less digits than its factorization.

131302313022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 451643.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 131302313022 its reverse (220313203131), we get a palindrome (351615516153).

The spelling of 131302313022 in words is "one hundred thirty-one billion, three hundred two million, three hundred thirteen thousand, twenty-two".

Divisors: 1 2 3 6 55201 110402 165603 331206 396437 792874 1189311 2378622 21883718837 43767437674 65651156511 131302313022