512031422 has 8 divisors (see below), whose sum is σ = 877768176. Its totient is φ = 219442032.

The previous prime is 512031413. The next prime is 512031439. The reversal of 512031422 is 224130215.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 512031394 and 512031403.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18286823 + ... + 18286850.

It is an arithmetic number, because the mean of its divisors is an integer number (109721022).

Almost surely, 2^512031422 is an apocalyptic number.

512031422 is a deficient number, since it is larger than the sum of its proper divisors (365736754).

512031422 is a wasteful number, since it uses less digits than its factorization.

512031422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36573682.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 512031422 is about 22628.1113219818. Note that the first 3 decimals coincide. The cubic root of 512031422 is about 800.0163652902.

Adding to 512031422 its reverse (224130215), we get a palindrome (736161637).

It can be divided in two parts, 51203 and 1422, that added together give a palindrome (52625).

The spelling of 512031422 in words is "five hundred twelve million, thirty-one thousand, four hundred twenty-two".