313444223130 has 64 divisors (see below), whose sum is σ = 773604437760. Its totient is φ = 81220091904.

The previous prime is 313444223111. The next prime is 313444223153. The reversal of 313444223130 is 31322444313.

It is a happy number.

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

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 669987 + ... + 1037193.

It is an arithmetic number, because the mean of its divisors is an integer number (12087569340).

Almost surely, 2^313444223130 is an apocalyptic number.

313444223130 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 313444223130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (386802218880).

313444223130 is an abundant number, since it is smaller than the sum of its proper divisors (460160214630).

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

313444223130 is a wasteful number, since it uses less digits than its factorization.

313444223130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 368023.

The product of its (nonzero) digits is 20736, while the sum is 30.

Adding to 313444223130 its reverse (31322444313), we get a palindrome (344766667443).

The spelling of 313444223130 in words is "three hundred thirteen billion, four hundred forty-four million, two hundred twenty-three thousand, one hundred thirty".