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131303111122303 = 1723433775551001
BaseRepresentation
bin11101110110101101100011…
…010010111101110101111111
3122012220110021120111010110221
4131312231203102331311333
5114202232232421403203
61143131452211442211
736441223332403441
oct3566554322756577
9565813246433427
10131303111122303
113892337818867a
121288750a2b6367
135835aa409cca3
14245d1669d8491
15102a7666b2abd
hex776b634bdd7f

131303111122303 has 16 divisors (see below), whose sum is σ = 145406506262976. Its totient is φ = 117933387264000.

The previous prime is 131303111122301. The next prime is 131303111122307. The reversal of 131303111122303 is 303221111303131.

It is a cyclic number.

It is not a de Polignac number, because 131303111122303 - 21 = 131303111122301 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 (131303111122301) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 387606198 + ... + 387944803.

It is an arithmetic number, because the mean of its divisors is an integer number (9087906641436).

Almost surely, 2131303111122303 is an apocalyptic number.

131303111122303 is a deficient number, since it is larger than the sum of its proper divisors (14103395140673).

131303111122303 is a wasteful number, since it uses less digits than its factorization.

131303111122303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 775551474.

The product of its (nonzero) digits is 972, while the sum is 25.

Adding to 131303111122303 its reverse (303221111303131), we get a palindrome (434524222425434).

The spelling of 131303111122303 in words is "one hundred thirty-one trillion, three hundred three billion, one hundred eleven million, one hundred twenty-two thousand, three hundred three".

Divisors: 1 17 23 391 433 7361 9959 169303 775551001 13184367017 17837673023 303240441391 335813583433 5708830918361 7723712418959 131303111122303