1320154331233 has 8 divisors (see below), whose sum is σ = 1389663777600. Its totient is φ = 1250647648848.

The previous prime is 1320154331219. The next prime is 1320154331281. The reversal of 1320154331233 is 3321334510231.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1320154331233 - 2⁹ = 1320154330721 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1320154331195 and 1320154331204.

It is not an unprimeable number, because it can be changed into a prime (1320154331203) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 327948 + ... + 1657666.

It is an arithmetic number, because the mean of its divisors is an integer number (173707972200).

Almost surely, 2^{1320154331233} is an apocalyptic number.

It is an amenable number.

1320154331233 is a deficient number, since it is larger than the sum of its proper divisors (69509446367).

1320154331233 is a wasteful number, since it uses less digits than its factorization.

1320154331233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1381991.

The product of its (nonzero) digits is 19440, while the sum is 31.

Adding to 1320154331233 its reverse (3321334510231), we get a palindrome (4641488841464).

The spelling of 1320154331233 in words is "one trillion, three hundred twenty billion, one hundred fifty-four million, three hundred thirty-one thousand, two hundred thirty-three".