313642534 has 8 divisors (see below), whose sum is σ = 470539368. Its totient is φ = 156796080.

The previous prime is 313642523. The next prime is 313642597. The reversal of 313642534 is 435246313.

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 = 313642496 and 313642505.

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, 15549 + ... + 29479.

It is an arithmetic number, because the mean of its divisors is an integer number (58817421).

Almost surely, 2^313642534 is an apocalyptic number.

313642534 is a deficient number, since it is larger than the sum of its proper divisors (156896834).

313642534 is a wasteful number, since it uses less digits than its factorization.

313642534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25190.

The product of its digits is 25920, while the sum is 31.

The square root of 313642534 is about 17709.9557876354. The cubic root of 313642534 is about 679.4304154806.

Adding to 313642534 its reverse (435246313), we get a palindrome (748888847).

The spelling of 313642534 in words is "three hundred thirteen million, six hundred forty-two thousand, five hundred thirty-four".