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131110140511 = 718730020073
BaseRepresentation
bin111101000011011000…
…1011111101001011111
3110112102021212020010001
41322012301133221133
54122003143444021
6140121533155131
712321013543420
oct1720661375137
9415367766101
10131110140511
1150670290129
12214b062baa7
13c495b95ccc
1464baac7647
15362554e091
hex1e86c5fa5f

131110140511 has 4 divisors (see below), whose sum is σ = 149840160592. Its totient is φ = 112380120432.

The previous prime is 131110140481. The next prime is 131110140533. The reversal of 131110140511 is 115041011131.

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

It is a cyclic number.

It is not a de Polignac number, because 131110140511 - 29 = 131110139999 is a prime.

It is a super-2 number, since 2×1311101405112 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131110140011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9365010030 + ... + 9365010043.

It is an arithmetic number, because the mean of its divisors is an integer number (37460040148).

Almost surely, 2131110140511 is an apocalyptic number.

131110140511 is a deficient number, since it is larger than the sum of its proper divisors (18730020081).

131110140511 is an equidigital number, since it uses as much as digits as its factorization.

131110140511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18730020080.

The product of its (nonzero) digits is 60, while the sum is 19.

Adding to 131110140511 its reverse (115041011131), we get a palindrome (246151151642).

The spelling of 131110140511 in words is "one hundred thirty-one billion, one hundred ten million, one hundred forty thousand, five hundred eleven".

Divisors: 1 7 18730020073 131110140511