1022231331311 has 4 divisors (see below), whose sum is σ = 1082362586112. Its totient is φ = 962100076512.

The previous prime is 1022231331307. The next prime is 1022231331349. The reversal of 1022231331311 is 1131331322201.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1022231331311 - 2² = 1022231331307 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1022231333311) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30065627375 + ... + 30065627408.

It is an arithmetic number, because the mean of its divisors is an integer number (270590646528).

Almost surely, 2^{1022231331311} is an apocalyptic number.

1022231331311 is a deficient number, since it is larger than the sum of its proper divisors (60131254801).

1022231331311 is an equidigital number, since it uses as much as digits as its factorization.

1022231331311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60131254800.

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 1022231331311 its reverse (1131331322201), we get a palindrome (2153562653512).

The spelling of 1022231331311 in words is "one trillion, twenty-two billion, two hundred thirty-one million, three hundred thirty-one thousand, three hundred eleven".