312413120134340 has 12 divisors (see below), whose sum is σ = 656067552282156. Its totient is φ = 124965248053728.

The previous prime is 312413120134333. The next prime is 312413120134343. The reversal of 312413120134340 is 43431021314213.

It can be written as a sum of positive squares in 2 ways, for example, as 146540563895236 + 165872556239104 = 12105394^2 + 12879152^2 .

It is a junction number, because it is equal to n+sod(n) for n = 312413120134297 and 312413120134306.

It is not an unprimeable number, because it can be changed into a prime (312413120134343) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7810328003339 + ... + 7810328003378.

It is an arithmetic number, because the mean of its divisors is an integer number (54672296023513).

Almost surely, 2^{312413120134340} is an apocalyptic number.

It is an amenable number.

312413120134340 is an abundant number, since it is smaller than the sum of its proper divisors (343654432147816).

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

312413120134340 is a wasteful number, since it uses less digits than its factorization.

312413120134340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15620656006726 (or 15620656006724 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 32.

Adding to 312413120134340 its reverse (43431021314213), we get a palindrome (355844141448553).

The spelling of 312413120134340 in words is "three hundred twelve trillion, four hundred thirteen billion, one hundred twenty million, one hundred thirty-four thousand, three hundred forty".