313838434 has 48 divisors (see below), whose sum is σ = 593434296. Its totient is φ = 123379200.

The previous prime is 313838419. The next prime is 313838443. The reversal of 313838434 is 434838313.

It can be written as a sum of positive squares in 4 ways, for example, as 62457409 + 251381025 = 7903^2 + 15855^2 .

It is a junction number, because it is equal to n+sod(n) for n = 313838393 and 313838402.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 229914 + ... + 231274.

Almost surely, 2^313838434 is an apocalyptic number.

313838434 is a deficient number, since it is larger than the sum of its proper divisors (279595862).

313838434 is a wasteful number, since it uses less digits than its factorization.

313838434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1571 (or 1564 counting only the distinct ones).

The product of its digits is 82944, while the sum is 37.

The square root of 313838434 is about 17715.4857116592. The cubic root of 313838434 is about 679.5718426386.

The spelling of 313838434 in words is "three hundred thirteen million, eight hundred thirty-eight thousand, four hundred thirty-four".