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131024303011 = 728949646577
BaseRepresentation
bin111101000000110101…
…0000011001110100011
3110112012022100020012101
41322001222003032203
54121314210144021
6140105225311231
712315622125340
oct1720152031643
9415168306171
10131024303011
1150626892148
1221487935517
13c4811708a4
1464ad5417c7
15361cc45a91
hex1e81a833a3

131024303011 has 8 divisors (see below), whose sum is σ = 149747464800. Its totient is φ = 112302492288.

The previous prime is 131024302991. The next prime is 131024303083. The reversal of 131024303011 is 110303420131.

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

It is not a de Polignac number, because 131024303011 - 225 = 130990748579 is a prime.

It is a super-2 number, since 2×1310243030112 (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 131024303011.

It is not an unprimeable number, because it can be changed into a prime (131024301011) 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 7 ways as a sum of consecutive naturals, for example, 120646 + ... + 525931.

It is an arithmetic number, because the mean of its divisors is an integer number (18718433100).

Almost surely, 2131024303011 is an apocalyptic number.

131024303011 is a deficient number, since it is larger than the sum of its proper divisors (18723161789).

131024303011 is an equidigital number, since it uses as much as digits as its factorization.

131024303011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 675533.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 131024303011 its reverse (110303420131), we get a palindrome (241327723142).

The spelling of 131024303011 in words is "one hundred thirty-one billion, twenty-four million, three hundred three thousand, eleven".

Divisors: 1 7 28949 202643 646577 4526039 18717757573 131024303011