381359631122 has 18 divisors (see below), whose sum is σ = 574440217767. Its totient is φ = 189882894636.

The previous prime is 381359630989. The next prime is 381359631139. The reversal of 381359631122 is 221136953183.

It can be written as a sum of positive squares in only one way, i.e., 190679815561 + 190679815561 = 436669^2 + 436669^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=436669.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 247153883 + ... + 247155425.

Almost surely, 2^381359631122 is an apocalyptic number.

381359631122 is a deficient number, since it is larger than the sum of its proper divisors (193080586645).

381359631122 is an frugal number, since it uses more digits than its factorization.

381359631122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3654 (or 1828 counting only the distinct ones).

The product of its digits is 233280, while the sum is 44.

The spelling of 381359631122 in words is "three hundred eighty-one billion, three hundred fifty-nine million, six hundred thirty-one thousand, one hundred twenty-two".