381031075756 has 12 divisors (see below), whose sum is σ = 669177353880. Its totient is φ = 189837546080.

The previous prime is 381031075729. The next prime is 381031075801. The reversal of 381031075756 is 657570130183.

It is a super-2 number, since 2×381031075756² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 169496686 + ... + 169498933.

It is an arithmetic number, because the mean of its divisors is an integer number (55764779490).

Almost surely, 2^381031075756 is an apocalyptic number.

It is an amenable number.

381031075756 is a deficient number, since it is larger than the sum of its proper divisors (288146278124).

381031075756 is a wasteful number, since it uses less digits than its factorization.

381031075756 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 338995904 (or 338995902 counting only the distinct ones).

The product of its (nonzero) digits is 529200, while the sum is 46.

The spelling of 381031075756 in words is "three hundred eighty-one billion, thirty-one million, seventy-five thousand, seven hundred fifty-six".