31130401300 has 18 divisors (see below), whose sum is σ = 67552971038. Its totient is φ = 12452160480.

The previous prime is 31130401297. The next prime is 31130401349. The reversal of 31130401300 is 310403113.

It can be written as a sum of positive squares in 3 ways, for example, as 9744848656 + 21385552644 = 98716^2 + 146238^2 .

It is a congruent number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 155651907 + ... + 155652106.

Almost surely, 2^31130401300 is an apocalyptic number.

It is an amenable number.

31130401300 is an abundant number, since it is smaller than the sum of its proper divisors (36422569738).

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

31130401300 is a wasteful number, since it uses less digits than its factorization.

31130401300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 311304027 (or 311304020 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 31130401300 its reverse (310403113), we get a palindrome (31440804413).

The spelling of 31130401300 in words is "thirty-one billion, one hundred thirty million, four hundred one thousand, three hundred".