1322020040311 has 4 divisors (see below), whose sum is σ = 1322074430712. Its totient is φ = 1321965649912.

The previous prime is 1322020040279. The next prime is 1322020040339. The reversal of 1322020040311 is 1130400202231.

It is a happy number.

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 1322020040311 - 2⁵ = 1322020040279 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 (1322021040311) 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, 27158725 + ... + 27207358.

It is an arithmetic number, because the mean of its divisors is an integer number (330518607678).

Almost surely, 2^{1322020040311} is an apocalyptic number.

1322020040311 is a deficient number, since it is larger than the sum of its proper divisors (54390401).

1322020040311 is an equidigital number, since it uses as much as digits as its factorization.

1322020040311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54390400.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 1322020040311 its reverse (1130400202231), we get a palindrome (2452420242542).

The spelling of 1322020040311 in words is "one trillion, three hundred twenty-two billion, twenty million, forty thousand, three hundred eleven".