381288872100 has 36 divisors (see below), whose sum is σ = 1103195804144. Its totient is φ = 101677032480.

The previous prime is 381288872099. The next prime is 381288872119. The reversal of 381288872100 is 1278882183.

It is a self number, because there is not a number n which added to its sum of digits gives 381288872100.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 635481154 + ... + 635481753.

Almost surely, 2^381288872100 is an apocalyptic number.

381288872100 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

381288872100 is an abundant number, since it is smaller than the sum of its proper divisors (721906932044).

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

381288872100 is a wasteful number, since it uses less digits than its factorization.

381288872100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1270962924 (or 1270962917 counting only the distinct ones).

The product of its (nonzero) digits is 344064, while the sum is 48.

The spelling of 381288872100 in words is "three hundred eighty-one billion, two hundred eighty-eight million, eight hundred seventy-two thousand, one hundred".