1321441031403 has 12 divisors (see below), whose sum is σ = 1941099820920. Its totient is φ = 866029150176.

The previous prime is 1321441031389. The next prime is 1321441031413. The reversal of 1321441031403 is 3041301441231.

1321441031403 is a `hidden beast` number, since 1 + 3 + 214 + 4 + 10 + 31 + 403 = 666.

It is not a de Polignac number, because 1321441031403 - 2¹⁷ = 1321440900331 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1321441031413) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1244294226 + ... + 1244295287.

It is an arithmetic number, because the mean of its divisors is an integer number (161758318410).

Almost surely, 2^{1321441031403} is an apocalyptic number.

1321441031403 is a deficient number, since it is larger than the sum of its proper divisors (619658789517).

1321441031403 is a wasteful number, since it uses less digits than its factorization.

1321441031403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2488589578 (or 2488589575 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

Adding to 1321441031403 its reverse (3041301441231), we get a palindrome (4362742472634).

The spelling of 1321441031403 in words is "one trillion, three hundred twenty-one billion, four hundred forty-one million, thirty-one thousand, four hundred three".