312312214213340 has 24 divisors (see below), whose sum is σ = 715478890743792. Its totient is φ = 113568077895680.

The previous prime is 312312214213309. The next prime is 312312214213379. The reversal of 312312214213340 is 43312412213213.

It is a junction number, because it is equal to n+sod(n) for n = 312312214213297 and 312312214213306.

It is a congruent number.

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, 709800486629 + ... + 709800487068.

It is an arithmetic number, because the mean of its divisors is an integer number (29811620447658).

Almost surely, 2^{312312214213340} is an apocalyptic number.

It is an amenable number.

312312214213340 is an abundant number, since it is smaller than the sum of its proper divisors (403166676530452).

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

312312214213340 is a wasteful number, since it uses less digits than its factorization.

312312214213340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1419600973717 (or 1419600973715 counting only the distinct ones).

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

Adding to 312312214213340 its reverse (43312412213213), we get a palindrome (355624626426553).

The spelling of 312312214213340 in words is "three hundred twelve trillion, three hundred twelve billion, two hundred fourteen million, two hundred thirteen thousand, three hundred forty".