2031130247 has 2 divisors, whose sum is σ = 2031130248. Its totient is φ = 2031130246.

The previous prime is 2031130243. The next prime is 2031130273. The reversal of 2031130247 is 7420311302.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2031130247 - 2² = 2031130243 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2031130243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1015565123 + 1015565124.

It is an arithmetic number, because the mean of its divisors is an integer number (1015565124).

Almost surely, 2^2031130247 is an apocalyptic number.

2031130247 is a deficient number, since it is larger than the sum of its proper divisors (1).

2031130247 is an equidigital number, since it uses as much as digits as its factorization.

2031130247 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1008, while the sum is 23.

The square root of 2031130247 is about 45068.0623834662. The cubic root of 2031130247 is about 1266.4243663111.

Adding to 2031130247 its reverse (7420311302), we get a palindrome (9451441549).

The spelling of 2031130247 in words is "two billion, thirty-one million, one hundred thirty thousand, two hundred forty-seven".