381388703112 has 48 divisors (see below), whose sum is σ = 1032983291340. Its totient is φ = 127122730368.

The previous prime is 381388703107. The next prime is 381388703117. The reversal of 381388703112 is 211307883183.

It is an interprime number because it is at equal distance from previous prime (381388703107) and next prime (381388703117).

It can be written as a sum of positive squares in 2 ways, for example, as 379709834436 + 1678868676 = 616206^2 + 40974^2 .

It is a super-2 number, since 2×381388703112² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (381388703117) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1307338 + ... + 1572230.

Almost surely, 2^381388703112 is an apocalyptic number.

It is an amenable number.

381388703112 is an abundant number, since it is smaller than the sum of its proper divisors (651594588228).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

381388703112 is a wasteful number, since it uses less digits than its factorization.

381388703112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 284902 (or 284895 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 45.

The spelling of 381388703112 in words is "three hundred eighty-one billion, three hundred eighty-eight million, seven hundred three thousand, one hundred twelve".