1313122022330 has 16 divisors (see below), whose sum is σ = 2402367504264. Its totient is φ = 516638172480.

The previous prime is 1313122022321. The next prime is 1313122022339. The reversal of 1313122022330 is 332202213131.

It is an interprime number because it is at equal distance from previous prime (1313122022321) and next prime (1313122022339).

It can be written as a sum of positive squares in 4 ways, for example, as 323313920449 + 989808101881 = 568607^2 + 994891^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1313122022296 and 1313122022305.

It is not an unprimeable number, because it can be changed into a prime (1313122022339) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1076328917 + ... + 1076330136.

Almost surely, 2^{1313122022330} is an apocalyptic number.

1313122022330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1313122022330 is a deficient number, since it is larger than the sum of its proper divisors (1089245481934).

1313122022330 is a wasteful number, since it uses less digits than its factorization.

1313122022330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2152659121.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 1313122022330 its reverse (332202213131), we get a palindrome (1645324235461).

The spelling of 1313122022330 in words is "one trillion, three hundred thirteen billion, one hundred twenty-two million, twenty-two thousand, three hundred thirty".