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130331042421 = 3592339314807
BaseRepresentation
bin111100101100001010…
…1011110001001110101
3110110101222211221110020
41321120111132021311
54113404221324141
6135512342315353
712262503403416
oct1713025361165
9413358757406
10130331042421
1150300526208
1221313728b59
13c3a0650c18
14644543d80d
1535cbe55266
hex1e5855e275

130331042421 has 16 divisors (see below), whose sum is σ = 176796172800. Its totient is φ = 85377905648.

The previous prime is 130331042411. The next prime is 130331042423. The reversal of 130331042421 is 124240133031.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 130331042421 - 214 = 130331026037 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 130331042391 and 130331042400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130331042423) 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, 256600 + ... + 571406.

It is an arithmetic number, because the mean of its divisors is an integer number (11049760800).

Almost surely, 2130331042421 is an apocalyptic number.

It is an amenable number.

130331042421 is a deficient number, since it is larger than the sum of its proper divisors (46465130379).

130331042421 is a wasteful number, since it uses less digits than its factorization.

130331042421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 317208.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 130331042421 its reverse (124240133031), we get a palindrome (254571175452).

The spelling of 130331042421 in words is "one hundred thirty billion, three hundred thirty-one million, forty-two thousand, four hundred twenty-one".

Divisors: 1 3 59 177 2339 7017 138001 314807 414003 944421 18573613 55720839 736333573 2209000719 43443680807 130331042421