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31005422442441 = 323445046938049
BaseRepresentation
bin1110000110011000000110…
…01100001101011111001001
311001210002102012101210121200
413003030003030031133021
513030443101121124231
6145535405555254413
76350032162215306
oct703140314153711
9131702365353550
1031005422442441
119974364728237
1235890852aa409
13143ba4cc34cc5
14792955a1c0ad
1538b7c75debe6
hex1c330330d7c9

31005422442441 has 6 divisors (see below), whose sum is σ = 44785610194650. Its totient is φ = 20670281628288.

The previous prime is 31005422442391. The next prime is 31005422442479. The reversal of 31005422442441 is 14424422450013.

31005422442441 is a `hidden beast` number, since 3 + 1 + 0 + 0 + 5 + 4 + 224 + 424 + 4 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 21084434384841 + 9920988057600 = 4591779^2 + 3149760^2 .

It is not a de Polignac number, because 31005422442441 - 214 = 31005422426057 is a prime.

It is a super-2 number, since 2×310054224424412 (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 31005422442396 and 31005422442405.

It is not an unprimeable number, because it can be changed into a prime (31005422442481) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1722523469016 + ... + 1722523469033.

It is an arithmetic number, because the mean of its divisors is an integer number (7464268365775).

Almost surely, 231005422442441 is an apocalyptic number.

It is an amenable number.

31005422442441 is a deficient number, since it is larger than the sum of its proper divisors (13780187752209).

31005422442441 is a wasteful number, since it uses less digits than its factorization.

31005422442441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3445046938055 (or 3445046938052 counting only the distinct ones).

The product of its (nonzero) digits is 122880, while the sum is 36.

Adding to 31005422442441 its reverse (14424422450013), we get a palindrome (45429844892454).

The spelling of 31005422442441 in words is "thirty-one trillion, five billion, four hundred twenty-two million, four hundred forty-two thousand, four hundred forty-one".

Divisors: 1 3 9 3445046938049 10335140814147 31005422442441