1313313122120 has 32 divisors (see below), whose sum is σ = 2956077038520. Its totient is φ = 525125690880.

The previous prime is 1313313122101. The next prime is 1313313122141. The reversal of 1313313122120 is 212213133131.

It can be written as a sum of positive squares in 4 ways, for example, as 575167526404 + 738145595716 = 758398^2 + 859154^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6129551 + ... + 6340190.

Almost surely, 2^{1313313122120} is an apocalyptic number.

1313313122120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1313313122120 is an abundant number, since it is smaller than the sum of its proper divisors (1642763916400).

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

1313313122120 is a wasteful number, since it uses less digits than its factorization.

1313313122120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12472385 (or 12472381 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 1313313122120 its reverse (212213133131), we get a palindrome (1525526255251).

The spelling of 1313313122120 in words is "one trillion, three hundred thirteen billion, three hundred thirteen million, one hundred twenty-two thousand, one hundred twenty".