331121201303003 has 4 divisors (see below), whose sum is σ = 332043544482480. Its totient is φ = 330198858123528.

The previous prime is 331121201302993. The next prime is 331121201303023. The reversal of 331121201303003 is 300303102121133.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-331121201303003 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 331121201303003.

It is not an unprimeable number, because it can be changed into a prime (331121201303023) 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, 461171589200 + ... + 461171589917.

It is an arithmetic number, because the mean of its divisors is an integer number (83010886120620).

Almost surely, 2^{331121201303003} is an apocalyptic number.

331121201303003 is a deficient number, since it is larger than the sum of its proper divisors (922343179477).

331121201303003 is an equidigital number, since it uses as much as digits as its factorization.

331121201303003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 922343179476.

The product of its (nonzero) digits is 972, while the sum is 23.

Adding to 331121201303003 its reverse (300303102121133), we get a palindrome (631424303424136).

The spelling of 331121201303003 in words is "three hundred thirty-one trillion, one hundred twenty-one billion, two hundred one million, three hundred three thousand, three".