305315134 has 4 divisors (see below), whose sum is σ = 457972704. Its totient is φ = 152657566.

The previous prime is 305315113. The next prime is 305315167. The reversal of 305315134 is 431513503.

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 = 305315099 and 305315108.

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, 76328782 + ... + 76328785.

It is an arithmetic number, because the mean of its divisors is an integer number (114493176).

Almost surely, 2^305315134 is an apocalyptic number.

305315134 is a deficient number, since it is larger than the sum of its proper divisors (152657570).

305315134 is a wasteful number, since it uses less digits than its factorization.

305315134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152657569.

The product of its (nonzero) digits is 2700, while the sum is 25.

The square root of 305315134 is about 17473.2691274415. The cubic root of 305315134 is about 673.3633023183.

Adding to 305315134 its reverse (431513503), we get a palindrome (736828637).

The spelling of 305315134 in words is "three hundred five million, three hundred fifteen thousand, one hundred thirty-four".