381307082051 has 32 divisors (see below), whose sum is σ = 439631424000. Its totient is φ = 323963836416.

The previous prime is 381307081999. The next prime is 381307082113. The reversal of 381307082051 is 150280703183.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 381307082051 - 2²² = 381302887747 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 381307081996 and 381307082014.

It is not an unprimeable number, because it can be changed into a prime (381307982051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 558282356 + ... + 558283038.

It is an arithmetic number, because the mean of its divisors is an integer number (13738482000).

Almost surely, 2^381307082051 is an apocalyptic number.

381307082051 is a deficient number, since it is larger than the sum of its proper divisors (58324341949).

381307082051 is a wasteful number, since it uses less digits than its factorization.

381307082051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2043.

The product of its (nonzero) digits is 40320, while the sum is 38.

The spelling of 381307082051 in words is "three hundred eighty-one billion, three hundred seven million, eighty-two thousand, fifty-one".