1322331220403 has 4 divisors (see below), whose sum is σ = 1322400722448. Its totient is φ = 1322261718360.

The previous prime is 1322331220393. The next prime is 1322331220501. The reversal of 1322331220403 is 3040221332231.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 1322331220403 - 2¹⁸ = 1322330958259 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1322331220003) 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, 34722476 + ... + 34760537.

It is an arithmetic number, because the mean of its divisors is an integer number (330600180612).

Almost surely, 2^{1322331220403} is an apocalyptic number.

1322331220403 is a deficient number, since it is larger than the sum of its proper divisors (69502045).

1322331220403 is an equidigital number, since it uses as much as digits as its factorization.

1322331220403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69502044.

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

Adding to 1322331220403 its reverse (3040221332231), we get a palindrome (4362552552634).

The spelling of 1322331220403 in words is "one trillion, three hundred twenty-two billion, three hundred thirty-one million, two hundred twenty thousand, four hundred three".