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131303132132231 = 1371675966996181
BaseRepresentation
bin11101110110101101100100…
…100011000111001110000111
3122012220110100001000112200102
4131312231210203013032013
5114202232303311212411
61143131454242034315
736441224006110043
oct3566554443071607
9565813301015612
10131303132132231
1138923389028754
121288751534899b
135835aa8547cb7
14245d169707023
15102a768462d3b
hex776b648c7387

131303132132231 has 16 divisors (see below), whose sum is σ = 133057147728960. Its totient is φ = 129560689386240.

The previous prime is 131303132132213. The next prime is 131303132132273. The reversal of 131303132132231 is 132231231303131.

It is a cyclic number.

It is not a de Polignac number, because 131303132132231 - 26 = 131303132132167 is a prime.

It is a super-2 number, since 2×1313031321322312 (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 = 131303132132194 and 131303132132203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131303132137231) 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, 1365118961 + ... + 1365215141.

It is an arithmetic number, because the mean of its divisors is an integer number (8316071733060).

Almost surely, 2131303132132231 is an apocalyptic number.

131303132132231 is a deficient number, since it is larger than the sum of its proper divisors (1754015596729).

131303132132231 is a wasteful number, since it uses less digits than its factorization.

131303132132231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156154.

The product of its (nonzero) digits is 5832, while the sum is 29.

Adding to 131303132132231 its reverse (132231231303131), we get a palindrome (263534363435362).

The spelling of 131303132132231 in words is "one hundred thirty-one trillion, three hundred three billion, one hundred thirty-two million, one hundred thirty-two thousand, two hundred thirty-one".

Divisors: 1 137 167 22879 59669 96181 8174653 9964723 13176797 16062227 1365167051 2200525099 5739024089 786246300193 958417022863 131303132132231