1313512224340 has 24 divisors (see below), whose sum is σ = 2758937779080. Its totient is φ = 525297821568.

The previous prime is 1313512224313. The next prime is 1313512224373. The reversal of 1313512224340 is 434222153131.

It can be written as a sum of positive squares in 4 ways, for example, as 176000386576 + 1137511837764 = 419524^2 + 1066542^2 .

It is a super-2 number, since 2×1313512224340² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6591127 + ... + 6787486.

It is an arithmetic number, because the mean of its divisors is an integer number (114955740795).

Almost surely, 2^{1313512224340} is an apocalyptic number.

1313512224340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1313512224340 is an abundant number, since it is smaller than the sum of its proper divisors (1445425554740).

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

1313512224340 is a wasteful number, since it uses less digits than its factorization.

1313512224340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13383531 (or 13383529 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 31.

Adding to 1313512224340 its reverse (434222153131), we get a palindrome (1747734377471).

The spelling of 1313512224340 in words is "one trillion, three hundred thirteen billion, five hundred twelve million, two hundred twenty-four thousand, three hundred forty".