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130231331321 = 7131917492741
BaseRepresentation
bin111100101001001100…
…1000110100111111001
3110110011001020002112112
41321102121012213321
54113203210100241
6135454421222105
712260153023460
oct1712231064771
9413131202475
10130231331321
115025a211843
12212a6261935
13c385aaba80
1464360c59d7
1535c330b1eb
hex1e526469f9

130231331321 has 16 divisors (see below), whose sum is σ = 161123923968. Its totient is φ = 102500683200.

The previous prime is 130231331291. The next prime is 130231331339. The reversal of 130231331321 is 123133132031.

It is a cyclic number.

It is not a de Polignac number, because 130231331321 - 214 = 130231314937 is a prime.

It is not an unprimeable number, because it can be changed into a prime (130231333321) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3728990 + ... + 3763751.

It is an arithmetic number, because the mean of its divisors is an integer number (10070245248).

Almost surely, 2130231331321 is an apocalyptic number.

It is an amenable number.

130231331321 is a deficient number, since it is larger than the sum of its proper divisors (30892592647).

130231331321 is a wasteful number, since it uses less digits than its factorization.

130231331321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7492952.

The product of its (nonzero) digits is 972, while the sum is 23.

Adding to 130231331321 its reverse (123133132031), we get a palindrome (253364463352).

The spelling of 130231331321 in words is "one hundred thirty billion, two hundred thirty-one million, three hundred thirty-one thousand, three hundred twenty-one".

Divisors: 1 7 13 91 191 1337 2483 17381 7492741 52449187 97405633 681839431 1431113531 10017794717 18604475903 130231331321