2130421303 has 4 divisors (see below), whose sum is σ = 2242548760. Its totient is φ = 2018293848.

The previous prime is 2130421259. The next prime is 2130421309. The reversal of 2130421303 is 3031240312.

It is a semiprime because it is the product of two primes.

It is a de Polignac number, because none of the positive numbers 2^k-2130421303 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19), and also a Moran number because the ratio is a prime number: 112127437 = 2130421303 / (2 + 1 + 3 + 0 + 4 + 2 + 1 + 3 + 0 + 3).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2130421309) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56063700 + ... + 56063737.

It is an arithmetic number, because the mean of its divisors is an integer number (560637190).

Almost surely, 2^2130421303 is an apocalyptic number.

2130421303 is a deficient number, since it is larger than the sum of its proper divisors (112127457).

2130421303 is a wasteful number, since it uses less digits than its factorization.

2130421303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112127456.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 2130421303 is about 46156.4871171973. The cubic root of 2130421303 is about 1286.7331764311.

Adding to 2130421303 its reverse (3031240312), we get a palindrome (5161661615).

The spelling of 2130421303 in words is "two billion, one hundred thirty million, four hundred twenty-one thousand, three hundred three".