2003123031030 has 128 divisors (see below), whose sum is σ = 5827986547200. Its totient is φ = 485545622400.

The previous prime is 2003123031017. The next prime is 2003123031079. The reversal of 2003123031030 is 301303213002.

2003123031030 is a `hidden beast` number, since 20 + 0 + 312 + 303 + 1 + 0 + 30 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 2003123030994 and 2003123031012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 26963176 + ... + 27037364.

It is an arithmetic number, because the mean of its divisors is an integer number (45531144900).

Almost surely, 2^{2003123031030} is an apocalyptic number.

2003123031030 is an abundant number, since it is smaller than the sum of its proper divisors (3824863516170).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2003123031030 is a wasteful number, since it uses less digits than its factorization.

2003123031030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83307 (or 83301 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

Adding to 2003123031030 its reverse (301303213002), we get a palindrome (2304426244032).

The spelling of 2003123031030 in words is "two trillion, three billion, one hundred twenty-three million, thirty-one thousand, thirty".