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1223323031013 = 3562169725359
BaseRepresentation
bin10001110011010011101…
…111000001010111100101
311022221121111002211210220
4101303103233001113211
5130020331143443023
62333553054034553
7154245041124006
oct21632357012745
94287544084726
101223323031013
11431898a60536
121791084a8a59
138b488579885
14432cdca31ad
1521c4c5583e3
hex11cd3bc15e5

1223323031013 has 8 divisors (see below), whose sum is σ = 1631102524800. Its totient is φ = 815546112288.

The previous prime is 1223323030949. The next prime is 1223323031039. The reversal of 1223323031013 is 3101303233221.

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

It is not a de Polignac number, because 1223323031013 - 26 = 1223323030949 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1223322031013) 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, 1323828 + ... + 2049186.

It is an arithmetic number, because the mean of its divisors is an integer number (203887815600).

Almost surely, 21223323031013 is an apocalyptic number.

It is an amenable number.

1223323031013 is a deficient number, since it is larger than the sum of its proper divisors (407779493787).

1223323031013 is an equidigital number, since it uses as much as digits as its factorization.

1223323031013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1287531.

The product of its (nonzero) digits is 1944, while the sum is 24.

Adding to 1223323031013 its reverse (3101303233221), we get a palindrome (4324626264234).

The spelling of 1223323031013 in words is "one trillion, two hundred twenty-three billion, three hundred twenty-three million, thirty-one thousand, thirteen".

Divisors: 1 3 562169 725359 1686507 2176077 407774343671 1223323031013