387131030 has 48 divisors (see below), whose sum is σ = 824895792. Its totient is φ = 129940800.

The previous prime is 387130999. The next prime is 387131039. The reversal of 387131030 is 30131783.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (387131039) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3425 + ... + 28035.

It is an arithmetic number, because the mean of its divisors is an integer number (17185329).

Almost surely, 2^387131030 is an apocalyptic number.

387131030 is an abundant number, since it is smaller than the sum of its proper divisors (437764762).

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

387131030 is a wasteful number, since it uses less digits than its factorization.

387131030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24653 (or 24642 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 26.

The square root of 387131030 is about 19675.6456056720. The cubic root of 387131030 is about 728.8183987064.

The spelling of 387131030 in words is "three hundred eighty-seven million, one hundred thirty-one thousand, thirty".