1331200311430 has 128 divisors (see below), whose sum is σ = 2847285043200. Its totient is φ = 443052825600.

The previous prime is 1331200311401. The next prime is 1331200311433. The reversal of 1331200311430 is 341130021331.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1331200311433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 6884916 + ... + 7075624.

It is an arithmetic number, because the mean of its divisors is an integer number (22244414400).

Almost surely, 2^{1331200311430} is an apocalyptic number.

1331200311430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1331200311430 is an abundant number, since it is smaller than the sum of its proper divisors (1516084731770).

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

1331200311430 is a wasteful number, since it uses less digits than its factorization.

1331200311430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190870.

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

Adding to 1331200311430 its reverse (341130021331), we get a palindrome (1672330332761).

The spelling of 1331200311430 in words is "one trillion, three hundred thirty-one billion, two hundred million, three hundred eleven thousand, four hundred thirty".