1331121230233 has 16 divisors (see below), whose sum is σ = 1381826304000. Its totient is φ = 1280743976512.

The previous prime is 1331121230129. The next prime is 1331121230251. The reversal of 1331121230233 is 3320321211331.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1331121230233 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1331121230198 and 1331121230207.

It is not an unprimeable number, because it can be changed into a prime (1331121210233) 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, 9920991 + ... + 10054267.

It is an arithmetic number, because the mean of its divisors is an integer number (86364144000).

Almost surely, 2^{1331121230233} is an apocalyptic number.

It is an amenable number.

1331121230233 is a deficient number, since it is larger than the sum of its proper divisors (50705073767).

1331121230233 is a wasteful number, since it uses less digits than its factorization.

1331121230233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134504.

The product of its (nonzero) digits is 1944, while the sum is 25.

Adding to 1331121230233 its reverse (3320321211331), we get a palindrome (4651442441564).

The spelling of 1331121230233 in words is "one trillion, three hundred thirty-one billion, one hundred twenty-one million, two hundred thirty thousand, two hundred thirty-three".