312152342 has 4 divisors (see below), whose sum is σ = 468228516. Its totient is φ = 156076170.

The previous prime is 312152339. The next prime is 312152353. The reversal of 312152342 is 243251213.

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

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, 78038084 + ... + 78038087.

It is an arithmetic number, because the mean of its divisors is an integer number (117057129).

Almost surely, 2^312152342 is an apocalyptic number.

312152342 is a deficient number, since it is larger than the sum of its proper divisors (156076174).

312152342 is a wasteful number, since it uses less digits than its factorization.

312152342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156076173.

The product of its digits is 1440, while the sum is 23.

The square root of 312152342 is about 17667.8335400807. The cubic root of 312152342 is about 678.3526603702.

The spelling of 312152342 in words is "three hundred twelve million, one hundred fifty-two thousand, three hundred forty-two".