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131031314124023 = 725663180567721
BaseRepresentation
bin11101110010110000011010…
…111011101100110011110111
3122011221110201120111000220002
4131302300122323230303313
5114133304112403432043
61142402542114501515
736412462054133645
oct3562603273546367
9564843646430802
10131031314124023
1138829082930a65
12128428b5b9489b
13581627a2577a1
14244dd413aa195
151023659eb8bb8
hex772c1aeeccf7

131031314124023 has 4 divisors (see below), whose sum is σ = 131031495417408. Its totient is φ = 131031132830640.

The previous prime is 131031314124013. The next prime is 131031314124037. The reversal of 131031314124023 is 320421413130131.

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 131031314124023 - 26 = 131031314123959 is a prime.

It is a super-4 number, since 4×1310313141240234 (a number of 58 digits) contains 4444 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 (131031314124013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 89558198 + ... + 91009523.

It is an arithmetic number, because the mean of its divisors is an integer number (32757873854352).

Almost surely, 2131031314124023 is an apocalyptic number.

131031314124023 is a deficient number, since it is larger than the sum of its proper divisors (181293385).

131031314124023 is an equidigital number, since it uses as much as digits as its factorization.

131031314124023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181293384.

The product of its (nonzero) digits is 5184, while the sum is 29.

Adding to 131031314124023 its reverse (320421413130131), we get a palindrome (451452727254154).

The spelling of 131031314124023 in words is "one hundred thirty-one trillion, thirty-one billion, three hundred fourteen million, one hundred twenty-four thousand, twenty-three".

Divisors: 1 725663 180567721 131031314124023