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1023310241221 = 6310316216507
BaseRepresentation
bin11101110010000100000…
…10110001110111000101
310121211100020202101000111
432321002002301313011
5113231214410204341
62102034025513021
7133634403350662
oct16710202616705
93554306671014
101023310241221
11364a8aa54164
121463a8642771
1375661700098
1437758212a69
151b942e09681
hexee420b1dc5

1023310241221 has 4 divisors (see below), whose sum is σ = 1023326520832. Its totient is φ = 1023293961612.

The previous prime is 1023310241201. The next prime is 1023310241227. The reversal of 1023310241221 is 1221420133201.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1023310241221 - 29 = 1023310240709 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1023310241192 and 1023310241201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1023310241227) 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 3 ways as a sum of consecutive naturals, for example, 8045151 + ... + 8171356.

It is an arithmetic number, because the mean of its divisors is an integer number (255831630208).

Almost surely, 21023310241221 is an apocalyptic number.

It is an amenable number.

1023310241221 is a deficient number, since it is larger than the sum of its proper divisors (16279611).

1023310241221 is an equidigital number, since it uses as much as digits as its factorization.

1023310241221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16279610.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 1023310241221 its reverse (1221420133201), we get a palindrome (2244730374422).

The spelling of 1023310241221 in words is "one trillion, twenty-three billion, three hundred ten million, two hundred forty-one thousand, two hundred twenty-one".

Divisors: 1 63103 16216507 1023310241221