3431213203 has 4 divisors (see below), whose sum is σ = 3743141688. Its totient is φ = 3119284720.

The previous prime is 3431213189. The next prime is 3431213243. The reversal of 3431213203 is 3023121343.

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

It is a cyclic number.

It is not a de Polignac number, because 3431213203 - 2²¹ = 3429116051 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3431213243) 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, 155964226 + ... + 155964247.

It is an arithmetic number, because the mean of its divisors is an integer number (935785422).

Almost surely, 2^3431213203 is an apocalyptic number.

3431213203 is a deficient number, since it is larger than the sum of its proper divisors (311928485).

3431213203 is a wasteful number, since it uses less digits than its factorization.

3431213203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 311928484.

The product of its (nonzero) digits is 1296, while the sum is 22.

The square root of 3431213203 is about 58576.5584769198. The cubic root of 3431213203 is about 1508.2820693164.

Adding to 3431213203 its reverse (3023121343), we get a palindrome (6454334546).

The spelling of 3431213203 in words is "three billion, four hundred thirty-one million, two hundred thirteen thousand, two hundred three".