1313122205240 has 16 divisors (see below), whose sum is σ = 2954524961880. Its totient is φ = 525248882080.

The previous prime is 1313122205201. The next prime is 1313122205267. The reversal of 1313122205240 is 425022213131.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16414027526 + ... + 16414027605.

Almost surely, 2^{1313122205240} is an apocalyptic number.

1313122205240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1313122205240 is an abundant number, since it is smaller than the sum of its proper divisors (1641402756640).

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

1313122205240 is a wasteful number, since it uses less digits than its factorization.

1313122205240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32828055142 (or 32828055138 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 26.

Adding to 1313122205240 its reverse (425022213131), we get a palindrome (1738144418371).

The spelling of 1313122205240 in words is "one trillion, three hundred thirteen billion, one hundred twenty-two million, two hundred five thousand, two hundred forty".