Search a number
-
+
131213232232011 = 32151156761615387
BaseRepresentation
bin11101110101011001110110…
…000110001101011001001011
3122012120212021202111102122100
4131311121312012031121023
5114144244144422411021
61143022305435124443
736431562133422426
oct3565316606153113
9565525252442570
10131213232232011
1138899245967056
1212872005ba3723
13582a47c3a2a77
142458a7bc249bd
151028255caa626
hex77567618d64b

131213232232011 has 24 divisors (see below), whose sum is σ = 190907146486784. Its totient is φ = 86840725028400.

The previous prime is 131213232232003. The next prime is 131213232232051. The reversal of 131213232232011 is 110232232312131.

131213232232011 is a `hidden beast` number, since 1 + 3 + 1 + 2 + 1 + 3 + 2 + 322 + 320 + 11 = 666.

It is not a de Polignac number, because 131213232232011 - 23 = 131213232232003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131213232232001) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 28678141 + ... + 32937246.

Almost surely, 2131213232232011 is an apocalyptic number.

131213232232011 is a deficient number, since it is larger than the sum of its proper divisors (59693914254773).

131213232232011 is a wasteful number, since it uses less digits than its factorization.

131213232232011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61617111 (or 61617108 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

Adding to 131213232232011 its reverse (110232232312131), we get a palindrome (241445464544142).

The spelling of 131213232232011 in words is "one hundred thirty-one trillion, two hundred thirteen billion, two hundred thirty-two million, two hundred thirty-two thousand, eleven".

Divisors: 1 3 9 151 453 1359 1567 4701 14103 236617 709851 2129553 61615387 184846161 554538483 9303923437 27911770311 83735310933 96551311429 289653934287 868961802861 14579248025779 43737744077337 131213232232011