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113043432031 = 250345163177
BaseRepresentation
bin110100101000111101…
…0011110001001011111
3101210210012011100020221
41221101322132021133
53323003104311111
6123533105022211
711111215214065
oct1512172361137
9353705140227
10113043432031
1143a3a0856a2
1219aaa024967
13a876baa16a
145685494035
152e193ba371
hex1a51e9e25f

113043432031 has 4 divisors (see below), whose sum is σ = 113088597712. Its totient is φ = 112998266352.

The previous prime is 113043431981. The next prime is 113043432043. The reversal of 113043432031 is 130234340311.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 130234340311 = 473532750287.

It is a cyclic number.

It is not a de Polignac number, because 113043432031 - 29 = 113043431519 is a prime.

It is a super-3 number, since 3×1130434320313 (a number of 34 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 113043431987 and 113043432005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113043432071) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22579086 + ... + 22584091.

It is an arithmetic number, because the mean of its divisors is an integer number (28272149428).

Almost surely, 2113043432031 is an apocalyptic number.

113043432031 is a deficient number, since it is larger than the sum of its proper divisors (45165681).

113043432031 is an equidigital number, since it uses as much as digits as its factorization.

113043432031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45165680.

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 113043432031 its reverse (130234340311), we get a palindrome (243277772342).

The spelling of 113043432031 in words is "one hundred thirteen billion, forty-three million, four hundred thirty-two thousand, thirty-one".

Divisors: 1 2503 45163177 113043432031