100203130000 has 50 divisors (see below), whose sum is σ = 242601822254. Its totient is φ = 40081248000.

The previous prime is 100203129973. The next prime is 100203130003. The reversal of 100203130000 is 31302001.

It can be written as a sum of positive squares in 5 ways, for example, as 45469591696 + 54733538304 = 213236^2 + 233952^2 .

It is a tau number, because it is divible by the number of its divisors (50).

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

It is not an unprimeable number, because it can be changed into a prime (100203130003) 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, 5000157 + ... + 5020156.

Almost surely, 2^100203130000 is an apocalyptic number.

100203130000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100203130000 is an abundant number, since it is smaller than the sum of its proper divisors (142398692254).

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

100203130000 is an equidigital number, since it uses as much as digits as its factorization.

100203130000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10020341 (or 10020320 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 10.

Adding to 100203130000 its reverse (31302001), we get a palindrome (100234432001).

The spelling of 100203130000 in words is "one hundred billion, two hundred three million, one hundred thirty thousand".