31130100300 has 144 divisors (see below), whose sum is σ = 97763520512. Its totient is φ = 7602336000.

The previous prime is 31130100277. The next prime is 31130100301. The reversal of 31130100300 is 300103113.

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 (31130100301) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 463875 + ... + 526725.

Almost surely, 2^31130100300 is an apocalyptic number.

31130100300 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 31130100300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48881760256).

31130100300 is an abundant number, since it is smaller than the sum of its proper divisors (66633420212).

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

31130100300 is a wasteful number, since it uses less digits than its factorization.

31130100300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63008 (or 63001 counting only the distinct ones).

The product of its (nonzero) digits is 27, while the sum is 12.

Adding to 31130100300 its reverse (300103113), we get a palindrome (31430203413).

The spelling of 31130100300 in words is "thirty-one billion, one hundred thirty million, one hundred thousand, three hundred".