3251313287 has 2 divisors, whose sum is σ = 3251313288. Its totient is φ = 3251313286.

The previous prime is 3251313253. The next prime is 3251313323. The reversal of 3251313287 is 7823131523.

It is a weak prime.

It is an emirp because it is prime and its reverse (7823131523) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3251313287 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3251313187) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1625656643 + 1625656644.

It is an arithmetic number, because the mean of its divisors is an integer number (1625656644).

Almost surely, 2^3251313287 is an apocalyptic number.

3251313287 is a deficient number, since it is larger than the sum of its proper divisors (1).

3251313287 is an equidigital number, since it uses as much as digits as its factorization.

3251313287 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 30240, while the sum is 35.

The square root of 3251313287 is about 57020.2883805405. The cubic root of 3251313287 is about 1481.4475256725.

The spelling of 3251313287 in words is "three billion, two hundred fifty-one million, three hundred thirteen thousand, two hundred eighty-seven".