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131303231100233 = 4119344337456787
BaseRepresentation
bin11101110110101101101010…
…011100101001010101001001
3122012220110120221020122020222
4131312231222130221111021
5114202233004130201413
61143131512135155425
736441226320243353
oct3566555234512511
9565813527218228
10131303231100233
1138923429984895
1212887542515b75
135835ac2bb9b4a
14245d17890a0d3
15102a771eb1b08
hex776b6a729549

131303231100233 has 16 divisors (see below), whose sum is σ = 135507871429056. Its totient is φ = 127149307484160.

The previous prime is 131303231100203. The next prime is 131303231100247. The reversal of 131303231100233 is 332001132303131.

It is a cyclic number.

It is not a de Polignac number, because 131303231100233 - 212 = 131303231096137 is a prime.

It is a super-2 number, since 2×1313032311002332 (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131303231100203) 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, 15222935 + ... + 22233852.

It is an arithmetic number, because the mean of its divisors is an integer number (8469241964316).

Almost surely, 2131303231100233 is an apocalyptic number.

It is an amenable number.

131303231100233 is a deficient number, since it is larger than the sum of its proper divisors (4204640328823).

131303231100233 is a wasteful number, since it uses less digits than its factorization.

131303231100233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37457464.

The product of its (nonzero) digits is 2916, while the sum is 26.

Adding to 131303231100233 its reverse (332001132303131), we get a palindrome (463304363403364).

The spelling of 131303231100233 in words is "one hundred thirty-one trillion, three hundred three billion, two hundred thirty-one million, one hundred thousand, two hundred thirty-three".

Divisors: 1 41 193 443 7913 18163 85499 3505459 37456787 1535728267 7229159891 16593356641 296395555531 680327622281 3202517831713 131303231100233