3431123207 has 4 divisors (see below), whose sum is σ = 3431461176. Its totient is φ = 3430785240.

The previous prime is 3431123203. The next prime is 3431123251. The reversal of 3431123207 is 7023211343.

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 3431123207 - 2² = 3431123203 is a prime.

It is a super-2 number, since 2×3431123207² = 23545212923227929698, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3431123203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 153269 + ... + 174222.

It is an arithmetic number, because the mean of its divisors is an integer number (857865294).

Almost surely, 2^3431123207 is an apocalyptic number.

3431123207 is a deficient number, since it is larger than the sum of its proper divisors (337969).

3431123207 is a wasteful number, since it uses less digits than its factorization.

3431123207 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 337968.

The product of its (nonzero) digits is 3024, while the sum is 26.

The square root of 3431123207 is about 58575.7902806270. The cubic root of 3431123207 is about 1508.2688824802.

The spelling of 3431123207 in words is "three billion, four hundred thirty-one million, one hundred twenty-three thousand, two hundred seven".