3130531247 has 2 divisors, whose sum is σ = 3130531248. Its totient is φ = 3130531246.

The previous prime is 3130531213. The next prime is 3130531253. The reversal of 3130531247 is 7421350313.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3130531247 - 2¹⁰ = 3130530223 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3130531267) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1565265623 + 1565265624.

It is an arithmetic number, because the mean of its divisors is an integer number (1565265624).

Almost surely, 2^3130531247 is an apocalyptic number.

3130531247 is a deficient number, since it is larger than the sum of its proper divisors (1).

3130531247 is an equidigital number, since it uses as much as digits as its factorization.

3130531247 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7560, while the sum is 29.

The square root of 3130531247 is about 55951.1505422364. The cubic root of 3130531247 is about 1462.8709454465.

The spelling of 3130531247 in words is "three billion, one hundred thirty million, five hundred thirty-one thousand, two hundred forty-seven".