Search a number
-
+
113023131 = 3132898029
BaseRepresentation
bin1101011110010…
…01100010011011
321212200011120220
412233021202123
5212413220011
615114251123
72541452334
oct657114233
9255604526
10113023131
1158886a51
1231a26aa3
131a5533c0
141102128b
159dc8506
hex6bc989b

113023131 has 8 divisors (see below), whose sum is σ = 162289680. Its totient is φ = 69552672.

The previous prime is 113023093. The next prime is 113023133. The reversal of 113023131 is 131320311.

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

It is not a de Polignac number, because 113023131 - 27 = 113023003 is a prime.

It is a super-2 number, since 2×1130231312 = 25548456282086322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 113023131.

It is not an unprimeable number, because it can be changed into a prime (113023133) 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, 1448976 + ... + 1449053.

It is an arithmetic number, because the mean of its divisors is an integer number (20286210).

Almost surely, 2113023131 is an apocalyptic number.

113023131 is a deficient number, since it is larger than the sum of its proper divisors (49266549).

113023131 is a wasteful number, since it uses less digits than its factorization.

113023131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2898045.

The product of its (nonzero) digits is 54, while the sum is 15.

The square root of 113023131 is about 10631.2337477830. The cubic root of 113023131 is about 483.4917983243.

Adding to 113023131 its reverse (131320311), we get a palindrome (244343442).

The spelling of 113023131 in words is "one hundred thirteen million, twenty-three thousand, one hundred thirty-one".

Divisors: 1 3 13 39 2898029 8694087 37674377 113023131