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131030232301 = 472787877283
BaseRepresentation
bin111101000001000000…
…0101010110011101101
3110112012201111110122201
41322002000222303231
54121322214413201
6140110000341501
712316023412033
oct1720200526355
9415181443581
10131030232301
115062a171991
1221489914891
13c482468647
1464b0246553
15361d517801
hex1e8202aced

131030232301 has 4 divisors (see below), whose sum is σ = 133818109632. Its totient is φ = 128242354972.

The previous prime is 131030232241. The next prime is 131030232331. The reversal of 131030232301 is 103232030131.

Adding to 131030232301 its reverse (103232030131), we get a palindrome (234262262432).

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 131030232301 - 213 = 131030224109 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131030232331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1393938595 + ... + 1393938688.

It is an arithmetic number, because the mean of its divisors is an integer number (33454527408).

Almost surely, 2131030232301 is an apocalyptic number.

It is an amenable number.

131030232301 is a deficient number, since it is larger than the sum of its proper divisors (2787877331).

131030232301 is an equidigital number, since it uses as much as digits as its factorization.

131030232301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2787877330.

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

The spelling of 131030232301 in words is "one hundred thirty-one billion, thirty million, two hundred thirty-two thousand, three hundred one".

Divisors: 1 47 2787877283 131030232301