381625360331 has 2 divisors, whose sum is σ = 381625360332. Its totient is φ = 381625360330.

The previous prime is 381625360313. The next prime is 381625360351. The reversal of 381625360331 is 133063526183.

It is a happy number.

Together with previous prime (381625360313) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 381625360331 - 2¹⁰ = 381625359307 is a prime.

It is a super-2 number, since 2×381625360331² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (381625360351) 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, 190812680165 + 190812680166.

It is an arithmetic number, because the mean of its divisors is an integer number (190812680166).

Almost surely, 2^381625360331 is an apocalyptic number.

381625360331 is a deficient number, since it is larger than the sum of its proper divisors (1).

381625360331 is an equidigital number, since it uses as much as digits as its factorization.

381625360331 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 233280, while the sum is 41.

The spelling of 381625360331 in words is "three hundred eighty-one billion, six hundred twenty-five million, three hundred sixty thousand, three hundred thirty-one".