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131313231031011 = 363857685454641
BaseRepresentation
bin11101110110110110111110…
…011111010110101011100011
3122012221102101211212202102120
4131312312332133112223203
5114202413444120443021
61143140244320315323
736442032164246451
oct3566667637265343
9565842354782376
10131313231031011
11389276a0651897
1212889473472b43
135836a27881953
14245d846a519d1
15102ab59d592c6
hex776dbe7d6ae3

131313231031011 has 8 divisors (see below), whose sum is σ = 175087050115344. Its totient is φ = 87540782983680.

The previous prime is 131313231030977. The next prime is 131313231031057. The reversal of 131313231031011 is 110130132313131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 131313231031011 - 213 = 131313231022819 is a prime.

It is not an unprimeable number, because it can be changed into a prime (131313231031711) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 342535750 + ... + 342918891.

It is an arithmetic number, because the mean of its divisors is an integer number (21885881264418).

Almost surely, 2131313231031011 is an apocalyptic number.

131313231031011 is a deficient number, since it is larger than the sum of its proper divisors (43773819084333).

131313231031011 is an equidigital number, since it uses as much as digits as its factorization.

131313231031011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 685518501.

The product of its (nonzero) digits is 486, while the sum is 24.

Adding to 131313231031011 its reverse (110130132313131), we get a palindrome (241443363344142).

The spelling of 131313231031011 in words is "one hundred thirty-one trillion, three hundred thirteen billion, two hundred thirty-one million, thirty-one thousand, eleven".

Divisors: 1 3 63857 191571 685454641 2056363923 43771077010337 131313231031011