312000342 has 16 divisors (see below), whose sum is σ = 628765632. Its totient is φ = 103205960.

The previous prime is 312000331. The next prime is 312000343. The reversal of 312000342 is 243000213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312000343) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 197688 + ... + 199259.

It is an arithmetic number, because the mean of its divisors is an integer number (39297852).

Almost surely, 2^312000342 is an apocalyptic number.

312000342 is an abundant number, since it is smaller than the sum of its proper divisors (316765290).

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

312000342 is a wasteful number, since it uses less digits than its factorization.

312000342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 397083.

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 312000342 is about 17663.5314136217. The cubic root of 312000342 is about 678.2425364220.

Adding to 312000342 its reverse (243000213), we get a palindrome (555000555).

The spelling of 312000342 in words is "three hundred twelve million, three hundred forty-two", and thus it is an aban number.