1313122022244 has 48 divisors (see below), whose sum is σ = 3404487374400. Its totient is φ = 437694876288.

The previous prime is 1313122022237. The next prime is 1313122022279. The reversal of 1313122022244 is 4422202213131.

1313122022244 is a `hidden beast` number, since 1 + 313 + 122 + 0 + 2 + 224 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4129884 + ... + 4436460.

It is an arithmetic number, because the mean of its divisors is an integer number (70926820300).

Almost surely, 2^{1313122022244} is an apocalyptic number.

It is an amenable number.

1313122022244 is an abundant number, since it is smaller than the sum of its proper divisors (2091365352156).

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

1313122022244 is a wasteful number, since it uses less digits than its factorization.

1313122022244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 346249 (or 346241 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

Adding to 1313122022244 its reverse (4422202213131), we get a palindrome (5735324235375).

The spelling of 1313122022244 in words is "one trillion, three hundred thirteen billion, one hundred twenty-two million, twenty-two thousand, two hundred forty-four".