1030203123411 has 24 divisors (see below), whose sum is σ = 1743126623424. Its totient is φ = 535170452880.

The previous prime is 1030203123349. The next prime is 1030203123419. The reversal of 1030203123411 is 1143213020301.

It is not a de Polignac number, because 1030203123411 - 2⁹ = 1030203122899 is a prime.

It is a super-5 number, since 5×1030203123411⁵ (a number of 61 digits) contains 55555 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (1030203123419) 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, 318552225 + ... + 318555458.

It is an arithmetic number, because the mean of its divisors is an integer number (72630275976).

Almost surely, 2^{1030203123411} is an apocalyptic number.

1030203123411 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1030203123411 is a deficient number, since it is larger than the sum of its proper divisors (712923500013).

1030203123411 is a wasteful number, since it uses less digits than its factorization.

1030203123411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 637107711 (or 637107704 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 1030203123411 its reverse (1143213020301), we get a palindrome (2173416143712).

The spelling of 1030203123411 in words is "one trillion, thirty billion, two hundred three million, one hundred twenty-three thousand, four hundred eleven".