1023303221311 has 16 divisors (see below), whose sum is σ = 1170440248320. Its totient is φ = 876404224800.

The previous prime is 1023303221231. The next prime is 1023303221321. The reversal of 1023303221311 is 1131223033201.

It is a cyclic number.

It is not a de Polignac number, because 1023303221311 - 2²⁵ = 1023269666879 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1023303221321) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48356545 + ... + 48377701.

It is an arithmetic number, because the mean of its divisors is an integer number (73152515520).

Almost surely, 2^{1023303221311} is an apocalyptic number.

1023303221311 is a deficient number, since it is larger than the sum of its proper divisors (147137027009).

1023303221311 is a wasteful number, since it uses less digits than its factorization.

1023303221311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26454.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 1023303221311 its reverse (1131223033201), we get a palindrome (2154526254512).

The spelling of 1023303221311 in words is "one trillion, twenty-three billion, three hundred three million, two hundred twenty-one thousand, three hundred eleven".