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10121130331031 = 53353362998581
BaseRepresentation
bin1001001101001000001001…
…1000001100101110010111
31022211120101222022122000002
42103102002120030232113
52311311033331043111
633305325540241515
72063141021230406
oct223220230145627
938746358278002
1010121130331031
11325239023a615
1211756620a029b
13585559583105
1426dc1862b63d
1512841927163b
hex9348260cb97

10121130331031 has 16 divisors (see below), whose sum is σ = 10317853677600. Its totient is φ = 9924622181760.

The previous prime is 10121130331003. The next prime is 10121130331139. The reversal of 10121130331031 is 13013303112101.

It is a cyclic number.

It is not a de Polignac number, because 10121130331031 - 222 = 10121126136727 is a prime.

It is a super-2 number, since 2×101211303310312 (a number of 27 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 = 10121130330994 and 10121130331012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10121150331031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1179477161 + ... + 1179485741.

It is an arithmetic number, because the mean of its divisors is an integer number (644865854850).

Almost surely, 210121130331031 is an apocalyptic number.

10121130331031 is a deficient number, since it is larger than the sum of its proper divisors (196723346569).

10121130331031 is an equidigital number, since it uses as much as digits as its factorization.

10121130331031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18466.

The product of its (nonzero) digits is 162, while the sum is 20.

Adding to 10121130331031 its reverse (13013303112101), we get a palindrome (23134433443132).

The spelling of 10121130331031 in words is "ten trillion, one hundred twenty-one billion, one hundred thirty million, three hundred thirty-one thousand, thirty-one".

Divisors: 1 53 3533 6299 8581 187249 333847 454793 22254367 30316673 54051719 1179481451 1606783669 2864741107 190964723227 10121130331031