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113513103131 = 1945337131777
BaseRepresentation
bin110100110110111101…
…0000111111100011011
3101211222220221002212212
41221231322013330123
53324433323300011
6124051443425335
711125650312431
oct1515572077433
9354886832785
10113513103131
114416020752a
1219bbb38524b
13a9202a365c
1456cb9d2d51
152e4574208b
hex1a6de87f1b

113513103131 has 8 divisors (see below), whose sum is σ = 119491019280. Its totient is φ = 107535541248.

The previous prime is 113513103127. The next prime is 113513103149. The reversal of 113513103131 is 131301315311.

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

It is a cyclic number.

It is not a de Polignac number, because 113513103131 - 22 = 113513103127 is a prime.

It is a super-2 number, since 2×1135131031312 (a number of 23 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 = 113513103097 and 113513103106.

It is not an unprimeable number, because it can be changed into a prime (113513109131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 795515 + ... + 927291.

It is an arithmetic number, because the mean of its divisors is an integer number (14936377410).

Almost surely, 2113513103131 is an apocalyptic number.

113513103131 is a deficient number, since it is larger than the sum of its proper divisors (5977916149).

113513103131 is a wasteful number, since it uses less digits than its factorization.

113513103131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177133.

The product of its (nonzero) digits is 405, while the sum is 23.

Adding to 113513103131 its reverse (131301315311), we get a palindrome (244814418442).

The spelling of 113513103131 in words is "one hundred thirteen billion, five hundred thirteen million, one hundred three thousand, one hundred thirty-one".

Divisors: 1 19 45337 131777 861403 2503763 5974373849 113513103131