313143146220 has 192 divisors, whose sum is σ = 902715964416. Its totient is φ = 81082368000.

The previous prime is 313143146219. The next prime is 313143146231. The reversal of 313143146220 is 22641341313.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 78264220 + ... + 78268220.

It is an arithmetic number, because the mean of its divisors is an integer number (4701645648).

Almost surely, 2^313143146220 is an apocalyptic number.

313143146220 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 313143146220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (451357982208).

313143146220 is an abundant number, since it is smaller than the sum of its proper divisors (589572818196).

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

313143146220 is a wasteful number, since it uses less digits than its factorization.

313143146220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4360 (or 4358 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 30.

Adding to 313143146220 its reverse (22641341313), we get a palindrome (335784487533).

The spelling of 313143146220 in words is "three hundred thirteen billion, one hundred forty-three million, one hundred forty-six thousand, two hundred twenty".