312203232232340 has 48 divisors (see below), whose sum is σ = 690244259577600. Its totient is φ = 118289599178112.

The previous prime is 312203232232327. The next prime is 312203232232399. The reversal of 312203232232340 is 43232232302213.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 312203232232297 and 312203232232306.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 63581564 + ... + 68315603.

It is an arithmetic number, because the mean of its divisors is an integer number (14380088741200).

Almost surely, 2^{312203232232340} is an apocalyptic number.

It is an amenable number.

312203232232340 is an abundant number, since it is smaller than the sum of its proper divisors (378041027345260).

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

312203232232340 is a wasteful number, since it uses less digits than its factorization.

312203232232340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131903424 (or 131903422 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 32.

Adding to 312203232232340 its reverse (43232232302213), we get a palindrome (355435464534553).

The spelling of 312203232232340 in words is "three hundred twelve trillion, two hundred three billion, two hundred thirty-two million, two hundred thirty-two thousand, three hundred forty".