313130021130 has 96 divisors (see below), whose sum is σ = 845013955968. Its totient is φ = 83429870400.

The previous prime is 313130021111. The next prime is 313130021137. The reversal of 313130021130 is 31120031313.

It is a happy number.

313130021130 is a `hidden beast` number, since 313 + 1 + 300 + 21 + 1 + 30 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (313130021137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2815275 + ... + 2924385.

It is an arithmetic number, because the mean of its divisors is an integer number (8802228708).

Almost surely, 2^313130021130 is an apocalyptic number.

313130021130 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 313130021130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (422506977984).

313130021130 is an abundant number, since it is smaller than the sum of its proper divisors (531883934838).

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

313130021130 is a wasteful number, since it uses less digits than its factorization.

313130021130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110314 (or 110302 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 18.

Adding to 313130021130 its reverse (31120031313), we get a palindrome (344250052443).

The spelling of 313130021130 in words is "three hundred thirteen billion, one hundred thirty million, twenty-one thousand, one hundred thirty".