1131030330321 has 4 divisors (see below), whose sum is σ = 1508040440432. Its totient is φ = 754020220212.

The previous prime is 1131030330293. The next prime is 1131030330323. The reversal of 1131030330321 is 1230330301311.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 1131030330321 - 2⁶ = 1131030330257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1131030330323) 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, 188505055051 + ... + 188505055056.

It is an arithmetic number, because the mean of its divisors is an integer number (377010110108).

Almost surely, 2^{1131030330321} is an apocalyptic number.

It is an amenable number.

1131030330321 is a deficient number, since it is larger than the sum of its proper divisors (377010110111).

1131030330321 is an equidigital number, since it uses as much as digits as its factorization.

1131030330321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 377010110110.

The product of its (nonzero) digits is 486, while the sum is 21.

Adding to 1131030330321 its reverse (1230330301311), we get a palindrome (2361360631632).

The spelling of 1131030330321 in words is "one trillion, one hundred thirty-one billion, thirty million, three hundred thirty thousand, three hundred twenty-one".