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1023303113231 = 7472330951971
BaseRepresentation
bin11101110010000011001…
…11100101101000001111
310121211022202100020020212
432321001213211220033
5113231211044110411
62102033213033035
7133634255642450
oct16710147455017
93554282306225
101023303113231
11364a86a25863
121463a618577b
13756600a5839
14377572b9127
151b94249c68b
hexee419e5a0f

1023303113231 has 8 divisors (see below), whose sum is σ = 1169736925824. Its totient is φ = 876931214040.

The previous prime is 1023303113227. The next prime is 1023303113237. The reversal of 1023303113231 is 1323113033201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1023303113231 - 22 = 1023303113227 is a prime.

It is a super-2 number, since 2×10233031132312 (a number of 25 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 = 1023303113197 and 1023303113206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1023303113237) 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, 15442925 + ... + 15509046.

It is an arithmetic number, because the mean of its divisors is an integer number (146217115728).

Almost surely, 21023303113231 is an apocalyptic number.

1023303113231 is a deficient number, since it is larger than the sum of its proper divisors (146433812593).

1023303113231 is an equidigital number, since it uses as much as digits as its factorization.

1023303113231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30956701.

The product of its (nonzero) digits is 972, while the sum is 23.

Adding to 1023303113231 its reverse (1323113033201), we get a palindrome (2346416146432).

The spelling of 1023303113231 in words is "one trillion, twenty-three billion, three hundred three million, one hundred thirteen thousand, two hundred thirty-one".

Divisors: 1 7 4723 33061 30951971 216663797 146186159033 1023303113231