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130320032131 = 177665884243
BaseRepresentation
bin111100101011110101…
…1011110000110000011
3110110101020010120011201
41321113223132012003
54113343412012011
6135511310322031
712262310665432
oct1712753360603
9413336116151
10130320032131
11502a5295aa3
122130bab9317
13c39b297563
146443bb5119
1535caecccc1
hex1e57ade183

130320032131 has 4 divisors (see below), whose sum is σ = 137985916392. Its totient is φ = 122654147872.

The previous prime is 130320032107. The next prime is 130320032237. The reversal of 130320032131 is 131230023031.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 131230023031 = 1311001755901.

It is a cyclic number.

It is not a de Polignac number, because 130320032131 - 211 = 130320030083 is a prime.

It is a super-2 number, since 2×1303200321312 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 130320032099 and 130320032108.

It is not an unprimeable number, because it can be changed into a prime (130320038131) 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, 3832942105 + ... + 3832942138.

It is an arithmetic number, because the mean of its divisors is an integer number (34496479098).

Almost surely, 2130320032131 is an apocalyptic number.

130320032131 is a deficient number, since it is larger than the sum of its proper divisors (7665884261).

130320032131 is an equidigital number, since it uses as much as digits as its factorization.

130320032131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7665884260.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 130320032131 its reverse (131230023031), we get a palindrome (261550055162).

It can be divided in two parts, 1303200 and 32131, that added together give a palindrome (1335331).

The spelling of 130320032131 in words is "one hundred thirty billion, three hundred twenty million, thirty-two thousand, one hundred thirty-one".

Divisors: 1 17 7665884243 130320032131