2003031121401 has 24 divisors (see below), whose sum is σ = 3022669058760. Its totient is φ = 1276541952000.

The previous prime is 2003031121363. The next prime is 2003031121417. The reversal of 2003031121401 is 1041211303002.

2003031121401 is a `hidden beast` number, since 200 + 30 + 3 + 11 + 21 + 401 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 278736482025 + 1724294639376 = 527955^2 + 1313124^2 .

It is not a de Polignac number, because 2003031121401 - 2²⁹ = 2002494250489 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2003031121471) 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, 37965960 + ... + 38018681.

It is an arithmetic number, because the mean of its divisors is an integer number (125944544115).

Almost surely, 2^{2003031121401} is an apocalyptic number.

It is an amenable number.

2003031121401 is a deficient number, since it is larger than the sum of its proper divisors (1019637937359).

2003031121401 is a wasteful number, since it uses less digits than its factorization.

2003031121401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75984777 (or 75984774 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 2003031121401 its reverse (1041211303002), we get a palindrome (3044242424403).

The spelling of 2003031121401 in words is "two trillion, three billion, thirty-one million, one hundred twenty-one thousand, four hundred one".