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131303301211031 = 538872436641513
BaseRepresentation
bin11101110110101101101110…
…101000000110001110010111
3122012220110202211011122012012
4131312231232220012032113
5114202233130102223111
61143131523122014435
736441231131211125
oct3566555650061627
9565813684148165
10131303301211031
11389234655110a4
1212887561aa741b
135835b04596c21
14245d183d5a915
15102a77821048b
hex776b6ea06397

131303301211031 has 4 divisors (see below), whose sum is σ = 131305737906432. Its totient is φ = 131300864515632.

The previous prime is 131303301211021. The next prime is 131303301211073. The reversal of 131303301211031 is 130112103303131.

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 131303301211031 - 230 = 131302227469207 is a prime.

It is a super-2 number, since 2×1313033012110312 (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 131303301210988 and 131303301211006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131303301211021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1218266870 + ... + 1218374643.

It is an arithmetic number, because the mean of its divisors is an integer number (32826434476608).

Almost surely, 2131303301211031 is an apocalyptic number.

131303301211031 is a deficient number, since it is larger than the sum of its proper divisors (2436695401).

131303301211031 is an equidigital number, since it uses as much as digits as its factorization.

131303301211031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2436695400.

The product of its (nonzero) digits is 486, while the sum is 23.

Adding to 131303301211031 its reverse (130112103303131), we get a palindrome (261415404514162).

The spelling of 131303301211031 in words is "one hundred thirty-one trillion, three hundred three billion, three hundred one million, two hundred eleven thousand, thirty-one".

Divisors: 1 53887 2436641513 131303301211031