3431204121 has 16 divisors (see below), whose sum is σ = 4681555200. Its totient is φ = 2234354688.

The previous prime is 3431204041. The next prime is 3431204131. The reversal of 3431204121 is 1214021343.

It is not a de Polignac number, because 3431204121 - 2²¹ = 3429106969 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3431204131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47865 + ... + 95673.

It is an arithmetic number, because the mean of its divisors is an integer number (292597200).

Almost surely, 2^3431204121 is an apocalyptic number.

It is an amenable number.

3431204121 is a deficient number, since it is larger than the sum of its proper divisors (1250351079).

3431204121 is a wasteful number, since it uses less digits than its factorization.

3431204121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48368.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 3431204121 is about 58576.4809543899. The cubic root of 3431204121 is about 1508.2807385695.

Adding to 3431204121 its reverse (1214021343), we get a palindrome (4645225464).

The spelling of 3431204121 in words is "three billion, four hundred thirty-one million, two hundred four thousand, one hundred twenty-one".