310231130987 has 2 divisors, whose sum is σ = 310231130988. Its totient is φ = 310231130986.

The previous prime is 310231130983. The next prime is 310231131029. The reversal of 310231130987 is 789031132013.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 310231130987 - 2² = 310231130983 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 310231130987.

It is not a weakly prime, because it can be changed into another prime (310231130983) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 155115565493 + 155115565494.

It is an arithmetic number, because the mean of its divisors is an integer number (155115565494).

Almost surely, 2^310231130987 is an apocalyptic number.

310231130987 is a deficient number, since it is larger than the sum of its proper divisors (1).

310231130987 is an equidigital number, since it uses as much as digits as its factorization.

310231130987 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27216, while the sum is 38.

The spelling of 310231130987 in words is "three hundred ten billion, two hundred thirty-one million, one hundred thirty thousand, nine hundred eighty-seven".