Search a number
-
+
431444121100031 = 13274843120752609
BaseRepresentation
bin110001000011001010110100…
…1100101000001111011111111
32002120121122200121120210001202
41202012111221211001323333
5423022240030000200111
64125334405405130115
7156606544344211364
oct14206255145017377
92076548617523052
10431444121100031
111155204736aa476
124048091725993b
1315698010388640
147878014c4646b
1534d2cb9745b3b
hex1886569941eff

431444121100031 has 8 divisors (see below), whose sum is σ = 464633824799760. Its totient is φ = 398254659455232.

The previous prime is 431444121100009. The next prime is 431444121100079. The reversal of 431444121100031 is 130001121444134.

It is a happy number.

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 431444121100031 - 230 = 431443047358207 is a prime.

It is a super-2 number, since 2×4314441211000312 (a number of 30 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 = 431444121099967 and 431444121100003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (431444121100001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56803346 + ... + 63949263.

It is an arithmetic number, because the mean of its divisors is an integer number (58079228099970).

Almost surely, 2431444121100031 is an apocalyptic number.

431444121100031 is a deficient number, since it is larger than the sum of its proper divisors (33189703699729).

431444121100031 is a wasteful number, since it uses less digits than its factorization.

431444121100031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121027465.

The product of its (nonzero) digits is 4608, while the sum is 29.

Adding to 431444121100031 its reverse (130001121444134), we get a palindrome (561445242544165).

The spelling of 431444121100031 in words is "four hundred thirty-one trillion, four hundred forty-four billion, one hundred twenty-one million, one hundred thousand, thirty-one".

Divisors: 1 13 274843 3572959 120752609 1569783917 33188009315387 431444121100031