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10031013123201 = 33782164645729
BaseRepresentation
bin1001000111111000011011…
…1110010101010010000001
31022111221210112220010222000
42101332012332111102001
52303322003324420301
633200103411534213
72053500566502150
oct221760676252201
938457715803860
1010031013123201
113218146444554
1211600b1bba369
13579bc73a3ab5
14269709d3d597
15125de2991786
hex91f86f95481

10031013123201 has 32 divisors (see below), whose sum is σ = 17004412819200. Its totient is φ = 5725025671680.

The previous prime is 10031013123199. The next prime is 10031013123217. The reversal of 10031013123201 is 10232131013001.

10031013123201 is a `hidden beast` number, since 1 + 0 + 0 + 31 + 0 + 1 + 312 + 320 + 1 = 666.

It is not a de Polignac number, because 10031013123201 - 21 = 10031013123199 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (10031013123301) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 32167696 + ... + 32478033.

It is an arithmetic number, because the mean of its divisors is an integer number (531387900600).

Almost surely, 210031013123201 is an apocalyptic number.

It is an amenable number.

10031013123201 is a deficient number, since it is larger than the sum of its proper divisors (6973399695999).

10031013123201 is an equidigital number, since it uses as much as digits as its factorization.

10031013123201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64646566 (or 64646560 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 10031013123201 its reverse (10232131013001), we get a palindrome (20263144136202).

The spelling of 10031013123201 in words is "ten trillion, thirty-one billion, thirteen million, one hundred twenty-three thousand, two hundred one".

Divisors: 1 3 7 9 21 27 63 189 821 2463 5747 7389 17241 22167 51723 155169 64645729 193937187 452520103 581811561 1357560309 1745434683 4072680927 12218042781 53074143509 159222430527 371519004563 477667291581 1114557013689 1433001874743 3343671041067 10031013123201