1331232432301 has 4 divisors (see below), whose sum is σ = 1331236127452. Its totient is φ = 1331228737152.

The previous prime is 1331232432293. The next prime is 1331232432323. The reversal of 1331232432301 is 1032342321331.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1042745280201 + 288487152100 = 1021149^2 + 537110^2 .

It is a cyclic number.

It is not a de Polignac number, because 1331232432301 - 2³ = 1331232432293 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1331232432301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1331232492301) 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, 1240740 + ... + 2049853.

It is an arithmetic number, because the mean of its divisors is an integer number (332809031863).

Almost surely, 2^{1331232432301} is an apocalyptic number.

It is an amenable number.

1331232432301 is a deficient number, since it is larger than the sum of its proper divisors (3695151).

1331232432301 is an equidigital number, since it uses as much as digits as its factorization.

1331232432301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3695150.

The product of its (nonzero) digits is 7776, while the sum is 28.

Adding to 1331232432301 its reverse (1032342321331), we get a palindrome (2363574753632).

The spelling of 1331232432301 in words is "one trillion, three hundred thirty-one billion, two hundred thirty-two million, four hundred thirty-two thousand, three hundred one".