1231011210379 has 2 divisors, whose sum is σ = 1231011210380. Its totient is φ = 1231011210378.

The previous prime is 1231011210241. The next prime is 1231011210409. The reversal of 1231011210379 is 9730121101321.

It is a strong prime.

It is an emirp because it is prime and its reverse (9730121101321) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1231011210379 - 2¹⁵ = 1231011177611 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1231011210379.

It is not a weakly prime, because it can be changed into another prime (1231011210479) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 615505605189 + 615505605190.

It is an arithmetic number, because the mean of its divisors is an integer number (615505605190).

Almost surely, 2^{1231011210379} is an apocalyptic number.

1231011210379 is a deficient number, since it is larger than the sum of its proper divisors (1).

1231011210379 is an equidigital number, since it uses as much as digits as its factorization.

1231011210379 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2268, while the sum is 31.

The spelling of 1231011210379 in words is "one trillion, two hundred thirty-one billion, eleven million, two hundred ten thousand, three hundred seventy-nine".