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244403111031 = 381467703677
BaseRepresentation
bin1110001110011110001…
…1111000010001110111
3212100211212120102211020
43203213203320101313
513001014144023111
6304135514512223
723441352111132
oct3434743702167
9770755512736
10244403111031
1194718203782
123b44a135673
131a07c683781
14bb87377219
1565567ab906
hex38e78f8477

244403111031 has 4 divisors (see below), whose sum is σ = 325870814712. Its totient is φ = 162935407352.

The previous prime is 244403110981. The next prime is 244403111089. The reversal of 244403111031 is 130111304442.

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

It is a cyclic number.

It is not a de Polignac number, because 244403111031 - 223 = 244394722423 is a prime.

It is a super-2 number, since 2×2444031110312 (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 244403110992 and 244403111010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (244403110031) 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, 40733851836 + ... + 40733851841.

It is an arithmetic number, because the mean of its divisors is an integer number (81467703678).

Almost surely, 2244403111031 is an apocalyptic number.

244403111031 is a deficient number, since it is larger than the sum of its proper divisors (81467703681).

244403111031 is an equidigital number, since it uses as much as digits as its factorization.

244403111031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81467703680.

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 244403111031 its reverse (130111304442), we get a palindrome (374514415473).

The spelling of 244403111031 in words is "two hundred forty-four billion, four hundred three million, one hundred eleven thousand, thirty-one".

Divisors: 1 3 81467703677 244403111031