3143530157 has 2 divisors, whose sum is σ = 3143530158. Its totient is φ = 3143530156.

The previous prime is 3143530123. The next prime is 3143530171. The reversal of 3143530157 is 7510353413.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2892180841 + 251349316 = 53779^2 + 15854^2 .

It is an emirp because it is prime and its reverse (7510353413) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3143530157 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3143530177) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1571765078 + 1571765079.

It is an arithmetic number, because the mean of its divisors is an integer number (1571765079).

Almost surely, 2^3143530157 is an apocalyptic number.

It is an amenable number.

3143530157 is a deficient number, since it is larger than the sum of its proper divisors (1).

3143530157 is an equidigital number, since it uses as much as digits as its factorization.

3143530157 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18900, while the sum is 32.

The square root of 3143530157 is about 56067.1932327631. The cubic root of 3143530157 is about 1464.8929098919.

The spelling of 3143530157 in words is "three billion, one hundred forty-three million, five hundred thirty thousand, one hundred fifty-seven".