1331220304232 has 32 divisors (see below), whose sum is σ = 3072046857600. Its totient is φ = 526636603584.

The previous prime is 1331220304171. The next prime is 1331220304313. The reversal of 1331220304232 is 2324030221331.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 914298932 + ... + 914300387.

It is an arithmetic number, because the mean of its divisors is an integer number (96001464300).

Almost surely, 2^{1331220304232} is an apocalyptic number.

It is an amenable number.

1331220304232 is an abundant number, since it is smaller than the sum of its proper divisors (1740826553368).

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

1331220304232 is a wasteful number, since it uses less digits than its factorization.

1331220304232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1828599345 (or 1828599341 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 26.

Adding to 1331220304232 its reverse (2324030221331), we get a palindrome (3655250525563).

The spelling of 1331220304232 in words is "one trillion, three hundred thirty-one billion, two hundred twenty million, three hundred four thousand, two hundred thirty-two".