1331043203402 has 8 divisors (see below), whose sum is σ = 2178070696512. Its totient is φ = 605019637900.

The previous prime is 1331043203389. The next prime is 1331043203407. The reversal of 1331043203402 is 2043023401331.

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

It is not an unprimeable number, because it can be changed into a prime (1331043203407) 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, 30250981874 + ... + 30250981917.

It is an arithmetic number, because the mean of its divisors is an integer number (272258837064).

Almost surely, 2^{1331043203402} is an apocalyptic number.

1331043203402 is a deficient number, since it is larger than the sum of its proper divisors (847027493110).

1331043203402 is a wasteful number, since it uses less digits than its factorization.

1331043203402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60501963804.

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

Adding to 1331043203402 its reverse (2043023401331), we get a palindrome (3374066604733).

The spelling of 1331043203402 in words is "one trillion, three hundred thirty-one billion, forty-three million, two hundred three thousand, four hundred two".