100315000 has 40 divisors (see below), whose sum is σ = 235049760. Its totient is φ = 40124000.

The previous prime is 100314979. The next prime is 100315009. The reversal of 100315000 is 513001.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100315009) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 5032 + ... + 15031.

It is an arithmetic number, because the mean of its divisors is an integer number (5876244).

Almost surely, 2^100315000 is an apocalyptic number.

100315000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100315000 is an abundant number, since it is smaller than the sum of its proper divisors (134734760).

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

100315000 is an equidigital number, since it uses as much as digits as its factorization.

100315000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20089 (or 20070 counting only the distinct ones).

The product of its (nonzero) digits is 15, while the sum is 10.

The square root of 100315000 is about 10015.7376163715. The cubic root of 100315000 is about 464.6457393473.

Adding to 100315000 its reverse (513001), we get a palindrome (100828001).

The spelling of 100315000 in words is "one hundred million, three hundred fifteen thousand".