3131143207 has 2 divisors, whose sum is σ = 3131143208. Its totient is φ = 3131143206.

The previous prime is 3131143187. The next prime is 3131143231. The reversal of 3131143207 is 7023411313.

3131143207 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3131143207 - 2²⁷ = 2996925479 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3131143307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1565571603 + 1565571604.

It is an arithmetic number, because the mean of its divisors is an integer number (1565571604).

Almost surely, 2^3131143207 is an apocalyptic number.

3131143207 is a deficient number, since it is larger than the sum of its proper divisors (1).

3131143207 is an equidigital number, since it uses as much as digits as its factorization.

3131143207 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1512, while the sum is 25.

The square root of 3131143207 is about 55956.6189739873. The cubic root of 3131143207 is about 1462.9662604912.

The spelling of 3131143207 in words is "three billion, one hundred thirty-one million, one hundred forty-three thousand, two hundred seven".