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44243403131 = 127348373253
BaseRepresentation
bin101001001101000111…
…001100000101111011
311020012101202202021102
4221031013030011323
51211102302400011
632154121402015
73124251502334
oct511507140573
9136171682242
1044243403131
111784427a684
1286a903930b
134231246aa5
1421d9da128b
15123e2db73b
hexa4d1cc17b

44243403131 has 4 divisors (see below), whose sum is σ = 44591776512. Its totient is φ = 43895029752.

The previous prime is 44243403103. The next prime is 44243403137. The reversal of 44243403131 is 13130434244.

It is a happy number.

44243403131 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-44243403131 is a prime.

It is a super-2 number, since 2×442434031312 (a number of 22 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 = 44243403094 and 44243403103.

It is not an unprimeable number, because it can be changed into a prime (44243403137) 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, 174186500 + ... + 174186753.

It is an arithmetic number, because the mean of its divisors is an integer number (11147944128).

Almost surely, 244243403131 is an apocalyptic number.

44243403131 is a deficient number, since it is larger than the sum of its proper divisors (348373381).

44243403131 is a wasteful number, since it uses less digits than its factorization.

44243403131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 348373380.

The product of its (nonzero) digits is 13824, while the sum is 29.

Adding to 44243403131 its reverse (13130434244), we get a palindrome (57373837375).

The spelling of 44243403131 in words is "forty-four billion, two hundred forty-three million, four hundred three thousand, one hundred thirty-one".

Divisors: 1 127 348373253 44243403131