312548342 has 4 divisors (see below), whose sum is σ = 468822516. Its totient is φ = 156274170.

The previous prime is 312548339. The next prime is 312548351. The reversal of 312548342 is 243845213.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 312548299 and 312548308.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78137084 + ... + 78137087.

It is an arithmetic number, because the mean of its divisors is an integer number (117205629).

Almost surely, 2^312548342 is an apocalyptic number.

312548342 is a deficient number, since it is larger than the sum of its proper divisors (156274174).

312548342 is a wasteful number, since it uses less digits than its factorization.

312548342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156274173.

The product of its digits is 23040, while the sum is 32.

The square root of 312548342 is about 17679.0367950293. The cubic root of 312548342 is about 678.6393944449.

The spelling of 312548342 in words is "three hundred twelve million, five hundred forty-eight thousand, three hundred forty-two".