20101131300 has 72 divisors (see below), whose sum is σ = 58895536000. Its totient is φ = 5292443520.

The previous prime is 20101131277. The next prime is 20101131307. The reversal of 20101131300 is 313110102.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is not an unprimeable number, because it can be changed into a prime (20101131307) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 400375 + ... + 447774.

Almost surely, 2^20101131300 is an apocalyptic number.

20101131300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20101131300 is an abundant number, since it is smaller than the sum of its proper divisors (38794404700).

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

20101131300 is a wasteful number, since it uses less digits than its factorization.

20101131300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 848245 (or 848238 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 12.

Adding to 20101131300 its reverse (313110102), we get a palindrome (20414241402).

The spelling of 20101131300 in words is "twenty billion, one hundred one million, one hundred thirty-one thousand, three hundred".