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113030431 is a prime number
BaseRepresentation
bin1101011110010…
…11010100011111
321212200112121021
412233023110133
5212413433211
615114345011
72541512533
oct657132437
9255615537
10113030431
1158891488
1231a2b167
131a556817
1411023bc3
159dca771
hex6bcb51f

113030431 has 2 divisors, whose sum is σ = 113030432. Its totient is φ = 113030430.

The previous prime is 113030419. The next prime is 113030447. The reversal of 113030431 is 134030311.

It is an a-pointer prime, because the next prime (113030447) can be obtained adding 113030431 to its sum of digits (16).

It is a weak prime.

It is an emirp because it is prime and its reverse (134030311) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 113030431 - 29 = 113029919 is a prime.

It is a super-2 number, since 2×1130304312 = 25551756664091522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (113030461) 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 as a sum of consecutive naturals, namely, 56515215 + 56515216.

It is an arithmetic number, because the mean of its divisors is an integer number (56515216).

Almost surely, 2113030431 is an apocalyptic number.

113030431 is a deficient number, since it is larger than the sum of its proper divisors (1).

113030431 is an equidigital number, since it uses as much as digits as its factorization.

113030431 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 113030431 is about 10631.5770702187. The cubic root of 113030431 is about 483.5022074447.

Adding to 113030431 its reverse (134030311), we get a palindrome (247060742).

It can be divided in two parts, 11303043 and 1, that added together give a square (11303044 = 33622).

The spelling of 113030431 in words is "one hundred thirteen million, thirty thousand, four hundred thirty-one".