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10431021304231 = 1131683223720021
BaseRepresentation
bin1001011111001010100101…
…0100011100100110100111
31100221012021210212011012221
42113302221110130212213
52331400212423213411
634103540043253211
72124421301105443
oct227625124344647
940835253764187
1010431021304231
113361853654430
121205727b1a207
135a8844617a88
14280c15231823
15131504e54071
hex97ca951c9a7

10431021304231 has 32 divisors (see below), whose sum is σ = 11769414690816. Its totient is φ = 9158861712000.

The previous prime is 10431021304199. The next prime is 10431021304261. The reversal of 10431021304231 is 13240312013401.

It is not a de Polignac number, because 10431021304231 - 25 = 10431021304199 is a prime.

It is a super-2 number, since 2×104310213042312 (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 = 10431021304196 and 10431021304205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10431021304261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 520994001 + ... + 521014021.

It is an arithmetic number, because the mean of its divisors is an integer number (367794209088).

Almost surely, 210431021304231 is an apocalyptic number.

10431021304231 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

10431021304231 is a deficient number, since it is larger than the sum of its proper divisors (1338393386585).

10431021304231 is a wasteful number, since it uses less digits than its factorization.

10431021304231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22983.

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 10431021304231 its reverse (13240312013401), we get a palindrome (23671333317632).

The spelling of 10431021304231 in words is "ten trillion, four hundred thirty-one billion, twenty-one million, three hundred four thousand, two hundred thirty-one".

Divisors: 1 11 31 341 683 2237 7513 20021 21173 24607 69347 220231 232903 620651 762817 1527871 6827161 13674343 16806581 44786977 47364001 150417773 423904633 492656747 521004011 1388396287 4662950963 15272359157 30589505291 336484558201 948274664021 10431021304231