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130211313231 = 347923484491
BaseRepresentation
bin111100101000100110…
…0101111011001001111
3110110002122120001212210
41321101030233121033
54113133044010411
6135452424201503
712256520620626
oct1712114573117
9413078501783
10130211313231
115024998996a
122129b609293
13c3818c034c
1464335946bd
1535c16a4ca6
hex1e5132f64f

130211313231 has 8 divisors (see below), whose sum is σ = 177309022464. Its totient is φ = 84960573080.

The previous prime is 130211313229. The next prime is 130211313263. The reversal of 130211313231 is 132313112031.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 130211313231 - 21 = 130211313229 is a prime.

It is a super-2 number, since 2×1302113132312 (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 130211313198 and 130211313207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130211413231) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 461742105 + ... + 461742386.

It is an arithmetic number, because the mean of its divisors is an integer number (22163627808).

Almost surely, 2130211313231 is an apocalyptic number.

130211313231 is a deficient number, since it is larger than the sum of its proper divisors (47097709233).

130211313231 is an equidigital number, since it uses as much as digits as its factorization.

130211313231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 923484541.

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 130211313231 its reverse (132313112031), we get a palindrome (262524425262).

The spelling of 130211313231 in words is "one hundred thirty billion, two hundred eleven million, three hundred thirteen thousand, two hundred thirty-one".

Divisors: 1 3 47 141 923484491 2770453473 43403771077 130211313231