1203331231403 has 8 divisors (see below), whose sum is σ = 1378426498560. Its totient is φ = 1029033665640.

The previous prime is 1203331231391. The next prime is 1203331231429. The reversal of 1203331231403 is 3041321333021.

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 1203331231403 - 2⁴ = 1203331231387 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1203331230403) 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, 199422113 + ... + 199428146.

It is an arithmetic number, because the mean of its divisors is an integer number (172303312320).

Almost surely, 2^{1203331231403} is an apocalyptic number.

1203331231403 is a deficient number, since it is larger than the sum of its proper divisors (175095267157).

1203331231403 is an equidigital number, since it uses as much as digits as its factorization.

1203331231403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 398850697.

The product of its (nonzero) digits is 3888, while the sum is 26.

Adding to 1203331231403 its reverse (3041321333021), we get a palindrome (4244652564424).

The spelling of 1203331231403 in words is "one trillion, two hundred three billion, three hundred thirty-one million, two hundred thirty-one thousand, four hundred three".