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130330512431 = 718618644633
BaseRepresentation
bin111100101100001001…
…1011100110000101111
3110110101221212000102222
41321120103130300233
54113404102344211
6135512323105555
712262466035310
oct1713023346057
9413357760388
10130330512431
11503001a3aa9
12213135122bb
13c3a04c6912
146445342607
1535cbd9d1db
hex1e584dcc2f

130330512431 has 4 divisors (see below), whose sum is σ = 148949157072. Its totient is φ = 111711867792.

The previous prime is 130330512419. The next prime is 130330512439. The reversal of 130330512431 is 134215033031.

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

It is not a de Polignac number, because 130330512431 - 222 = 130326318127 is a prime.

It is a super-2 number, since 2×1303305124312 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 130330512431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130330512439) 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, 9309322310 + ... + 9309322323.

It is an arithmetic number, because the mean of its divisors is an integer number (37237289268).

Almost surely, 2130330512431 is an apocalyptic number.

130330512431 is a deficient number, since it is larger than the sum of its proper divisors (18618644641).

130330512431 is an equidigital number, since it uses as much as digits as its factorization.

130330512431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18618644640.

The product of its (nonzero) digits is 3240, while the sum is 26.

Adding to 130330512431 its reverse (134215033031), we get a palindrome (264545545462).

The spelling of 130330512431 in words is "one hundred thirty billion, three hundred thirty million, five hundred twelve thousand, four hundred thirty-one".

Divisors: 1 7 18618644633 130330512431