512031342 has 16 divisors (see below), whose sum is σ = 1077960960. Its totient is φ = 161694072.

The previous prime is 512031341. The next prime is 512031349. The reversal of 512031342 is 243130215.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (512031341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2245638 + ... + 2245865.

It is an arithmetic number, because the mean of its divisors is an integer number (67372560).

Almost surely, 2^512031342 is an apocalyptic number.

512031342 is an abundant number, since it is smaller than the sum of its proper divisors (565929618).

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

512031342 is a wasteful number, since it uses less digits than its factorization.

512031342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4491527.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 512031342 is about 22628.1095542690. The cubic root of 512031342 is about 800.0163236253.

Adding to 512031342 its reverse (243130215), we get a palindrome (755161557).

The spelling of 512031342 in words is "five hundred twelve million, thirty-one thousand, three hundred forty-two".