2381340031867 has 2 divisors, whose sum is σ = 2381340031868. Its totient is φ = 2381340031866.

The previous prime is 2381340031843. The next prime is 2381340031907. The reversal of 2381340031867 is 7681300431832.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2381340031867 - 2¹⁹ = 2381339507579 is a prime.

It is not a weakly prime, because it can be changed into another prime (2381340041867) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1190670015933 + 1190670015934.

It is an arithmetic number, because the mean of its divisors is an integer number (1190670015934).

Almost surely, 2^{2381340031867} is an apocalyptic number.

2381340031867 is a deficient number, since it is larger than the sum of its proper divisors (1).

2381340031867 is an equidigital number, since it uses as much as digits as its factorization.

2381340031867 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 580608, while the sum is 46.

The spelling of 2381340031867 in words is "two trillion, three hundred eighty-one billion, three hundred forty million, thirty-one thousand, eight hundred sixty-seven".