2031434421 has 32 divisors (see below), whose sum is σ = 2860032000. Its totient is φ = 1280862720.

The previous prime is 2031434413. The next prime is 2031434429. The reversal of 2031434421 is 1244341302.

It is an interprime number because it is at equal distance from previous prime (2031434413) and next prime (2031434429).

It is not a de Polignac number, because 2031434421 - 2³ = 2031434413 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2031434391 and 2031434400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2031434429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1587660 + ... + 1588938.

It is an arithmetic number, because the mean of its divisors is an integer number (89376000).

Almost surely, 2^2031434421 is an apocalyptic number.

It is an amenable number.

2031434421 is a deficient number, since it is larger than the sum of its proper divisors (828597579).

2031434421 is a wasteful number, since it uses less digits than its factorization.

2031434421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1709.

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 2031434421 is about 45071.4368641604. The cubic root of 2031434421 is about 1266.4875813836.

Adding to 2031434421 its reverse (1244341302), we get a palindrome (3275775723).

The spelling of 2031434421 in words is "two billion, thirty-one million, four hundred thirty-four thousand, four hundred twenty-one".