1331020331230 has 32 divisors (see below), whose sum is σ = 2436616644768. Its totient is φ = 523356681600.

The previous prime is 1331020331219. The next prime is 1331020331237. The reversal of 1331020331230 is 321330201331.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1331020331237) 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, 315769 + ... + 1661851.

It is an arithmetic number, because the mean of its divisors is an integer number (76144270149).

Almost surely, 2^{1331020331230} is an apocalyptic number.

1331020331230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1331020331230 is a deficient number, since it is larger than the sum of its proper divisors (1105596313538).

1331020331230 is a wasteful number, since it uses less digits than its factorization.

1331020331230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1347772.

The product of its (nonzero) digits is 972, while the sum is 22.

Adding to 1331020331230 its reverse (321330201331), we get a palindrome (1652350532561).

The spelling of 1331020331230 in words is "one trillion, three hundred thirty-one billion, twenty million, three hundred thirty-one thousand, two hundred thirty".