2003031121399 has 24 divisors (see below), whose sum is σ = 2554783018128. Its totient is φ = 1552880528640.

The previous prime is 2003031121363. The next prime is 2003031121417. The reversal of 2003031121399 is 9931211303002.

It is not a de Polignac number, because 2003031121399 - 2¹³ = 2003031113207 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2003031121319) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9325794 + ... + 9538159.

It is an arithmetic number, because the mean of its divisors is an integer number (106449292422).

Almost surely, 2^{2003031121399} is an apocalyptic number.

2003031121399 is a deficient number, since it is larger than the sum of its proper divisors (551751896729).

2003031121399 is a wasteful number, since it uses less digits than its factorization.

2003031121399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18864175 (or 18864168 counting only the distinct ones).

The product of its (nonzero) digits is 8748, while the sum is 34.

The spelling of 2003031121399 in words is "two trillion, three billion, thirty-one million, one hundred twenty-one thousand, three hundred ninety-nine".