1311040333420 has 12 divisors (see below), whose sum is σ = 2753184700224. Its totient is φ = 524416133360.

The previous prime is 1311040333399. The next prime is 1311040333433. The reversal of 1311040333420 is 243330401131.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32776008316 + ... + 32776008355.

It is an arithmetic number, because the mean of its divisors is an integer number (229432058352).

Almost surely, 2^{1311040333420} is an apocalyptic number.

1311040333420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1311040333420 is an abundant number, since it is smaller than the sum of its proper divisors (1442144366804).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1311040333420 is a wasteful number, since it uses less digits than its factorization.

1311040333420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65552016680 (or 65552016678 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 1311040333420 its reverse (243330401131), we get a palindrome (1554370734551).

The spelling of 1311040333420 in words is "one trillion, three hundred eleven billion, forty million, three hundred thirty-three thousand, four hundred twenty".