380031000 has 128 divisors (see below), whose sum is σ = 1195983360. Its totient is φ = 100464000.

The previous prime is 380030969. The next prime is 380031017. The reversal of 380031000 is 130083.

It is a super-2 number, since 2×380031000² = 288847121922000000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 392517 + ... + 393483.

It is an arithmetic number, because the mean of its divisors is an integer number (9343620).

Almost surely, 2^380031000 is an apocalyptic number.

380031000 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 380031000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (597991680).

380031000 is an abundant number, since it is smaller than the sum of its proper divisors (815952360).

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

380031000 is a wasteful number, since it uses less digits than its factorization.

380031000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1122 (or 1108 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 380031000 is about 19494.3838066249. The cubic root of 380031000 is about 724.3353401112.

Adding to 380031000 its reverse (130083), we get a palindrome (380161083).

The spelling of 380031000 in words is "three hundred eighty million, thirty-one thousand".