2130400203 has 24 divisors (see below), whose sum is σ = 3029250048. Its totient is φ = 1331496576.

The previous prime is 2130400201. The next prime is 2130400211. The reversal of 2130400203 is 3020040312.

It is not a de Polignac number, because 2130400203 - 2¹ = 2130400201 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2130400201) 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, 223350 + ... + 232692.

It is an arithmetic number, because the mean of its divisors is an integer number (126218752).

Almost surely, 2^2130400203 is an apocalyptic number.

2130400203 is a deficient number, since it is larger than the sum of its proper divisors (898849845).

2130400203 is a wasteful number, since it uses less digits than its factorization.

2130400203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9643 (or 9626 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 2130400203 is about 46156.2585463770. The cubic root of 2130400203 is about 1286.7289284200.

Adding to 2130400203 its reverse (3020040312), we get a palindrome (5150440515).

The spelling of 2130400203 in words is "two billion, one hundred thirty million, four hundred thousand, two hundred three".