100311230020 has 12 divisors (see below), whose sum is σ = 210653583084. Its totient is φ = 40124492000.

The previous prime is 100311230009. The next prime is 100311230039. The reversal of 100311230020 is 20032113001.

It can be written as a sum of positive squares in 2 ways, for example, as 47517896196 + 52793333824 = 217986^2 + 229768^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2507780731 + ... + 2507780770.

It is an arithmetic number, because the mean of its divisors is an integer number (17554465257).

Almost surely, 2^100311230020 is an apocalyptic number.

100311230020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100311230020 is an abundant number, since it is smaller than the sum of its proper divisors (110342353064).

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

100311230020 is a wasteful number, since it uses less digits than its factorization.

100311230020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5015561510 (or 5015561508 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 13.

Adding to 100311230020 its reverse (20032113001), we get a palindrome (120343343021).

The spelling of 100311230020 in words is "one hundred billion, three hundred eleven million, two hundred thirty thousand, twenty".