3431031143 has 4 divisors (see below), whose sum is σ = 3441397128. Its totient is φ = 3420665160.

The previous prime is 3431031139. The next prime is 3431031169. The reversal of 3431031143 is 3411301343.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3411301343 = 23143 ⋅147401.

It is a cyclic number.

It is not a de Polignac number, because 3431031143 - 2² = 3431031139 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3431031943) 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, 5182496 + ... + 5183157.

It is an arithmetic number, because the mean of its divisors is an integer number (860349282).

Almost surely, 2^3431031143 is an apocalyptic number.

3431031143 is a deficient number, since it is larger than the sum of its proper divisors (10365985).

3431031143 is a wasteful number, since it uses less digits than its factorization.

3431031143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10365984.

The product of its (nonzero) digits is 1296, while the sum is 23.

The square root of 3431031143 is about 58575.0044216814. The cubic root of 3431031143 is about 1508.2553923877.

Adding to 3431031143 its reverse (3411301343), we get a palindrome (6842332486).

The spelling of 3431031143 in words is "three billion, four hundred thirty-one million, thirty-one thousand, one hundred forty-three".