1321230130403 has 8 divisors (see below), whose sum is σ = 1329342126000. Its totient is φ = 1313131189248.

The previous prime is 1321230130399. The next prime is 1321230130471. The reversal of 1321230130403 is 3040310321231.

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 1321230130403 - 2² = 1321230130399 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1321230130483) 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, 3060533 + ... + 3465446.

It is an arithmetic number, because the mean of its divisors is an integer number (166167765750).

Almost surely, 2^{1321230130403} is an apocalyptic number.

1321230130403 is a deficient number, since it is larger than the sum of its proper divisors (8111995597).

1321230130403 is a wasteful number, since it uses less digits than its factorization.

1321230130403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6527221.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 1321230130403 its reverse (3040310321231), we get a palindrome (4361540451634).

The spelling of 1321230130403 in words is "one trillion, three hundred twenty-one billion, two hundred thirty million, one hundred thirty thousand, four hundred three".