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113031113 = 1317511453
BaseRepresentation
bin1101011110010…
…11011111001001
321212200120112112
412233023133021
5212413443423
615114352105
72541514526
oct657133711
9255616475
10113031113
1158891a48
1231a2b635
131a556c20
141102414d
159dcaa78
hex6bcb7c9

113031113 has 8 divisors (see below), whose sum is σ = 128886408. Its totient is φ = 98198784.

The previous prime is 113031103. The next prime is 113031151. The reversal of 113031113 is 311130311.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 14684224 + 98346889 = 3832^2 + 9917^2 .

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 113031113 - 24 = 113031097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (113031103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 255506 + ... + 255947.

It is an arithmetic number, because the mean of its divisors is an integer number (16110801).

Almost surely, 2113031113 is an apocalyptic number.

113031113 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

113031113 is a deficient number, since it is larger than the sum of its proper divisors (15855295).

113031113 is a wasteful number, since it uses less digits than its factorization.

113031113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 511483.

The product of its (nonzero) digits is 27, while the sum is 14.

The square root of 113031113 is about 10631.6091444334. The cubic root of 113031113 is about 483.5031798903.

Adding to 113031113 its reverse (311130311), we get a palindrome (424161424).

The spelling of 113031113 in words is "one hundred thirteen million, thirty-one thousand, one hundred thirteen".

Divisors: 1 13 17 221 511453 6648889 8694701 113031113