3131422429 has 2 divisors, whose sum is σ = 3131422430. Its totient is φ = 3131422428.

The previous prime is 3131422421. The next prime is 3131422453. The reversal of 3131422429 is 9242241313.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2989574329 + 141848100 = 54677^2 + 11910^2 .

It is an emirp because it is prime and its reverse (9242241313) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3131422429 - 2³ = 3131422421 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3131422429.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3131422421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1565711214 + 1565711215.

It is an arithmetic number, because the mean of its divisors is an integer number (1565711215).

Almost surely, 2^3131422429 is an apocalyptic number.

It is an amenable number.

3131422429 is a deficient number, since it is larger than the sum of its proper divisors (1).

3131422429 is an equidigital number, since it uses as much as digits as its factorization.

3131422429 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10368, while the sum is 31.

The square root of 3131422429 is about 55959.1139047072. The cubic root of 3131422429 is about 1463.0097462296.

The spelling of 3131422429 in words is "three billion, one hundred thirty-one million, four hundred twenty-two thousand, four hundred twenty-nine".