1331320320230 has 32 divisors (see below), whose sum is σ = 2403658152000. Its totient is φ = 530912154240.

The previous prime is 1331320320223. The next prime is 1331320320233. The reversal of 1331320320230 is 320230231331.

It is a junction number, because it is equal to n+sod(n) for n = 1331320320196 and 1331320320205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1331320320233) 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, 4838396 + ... + 5106144.

It is an arithmetic number, because the mean of its divisors is an integer number (75114317250).

Almost surely, 2^{1331320320230} is an apocalyptic number.

1331320320230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1331320320230 is a deficient number, since it is larger than the sum of its proper divisors (1072337831770).

1331320320230 is a wasteful number, since it uses less digits than its factorization.

1331320320230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 269264.

The product of its (nonzero) digits is 1944, while the sum is 23.

Adding to 1331320320230 its reverse (320230231331), we get a palindrome (1651550551561).

The spelling of 1331320320230 in words is "one trillion, three hundred thirty-one billion, three hundred twenty million, three hundred twenty thousand, two hundred thirty".