613131534 has 12 divisors (see below), whose sum is σ = 1328451696. Its totient is φ = 204377172.

The previous prime is 613131529. The next prime is 613131553. The reversal of 613131534 is 435131316.

613131534 is a `hidden beast` number, since 613 + 1 + 3 + 15 + 34 = 666.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 613131498 and 613131507.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 17031414 + ... + 17031449.

It is an arithmetic number, because the mean of its divisors is an integer number (110704308).

Almost surely, 2^613131534 is an apocalyptic number.

613131534 is an abundant number, since it is smaller than the sum of its proper divisors (715320162).

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

613131534 is a wasteful number, since it uses less digits than its factorization.

613131534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34062871 (or 34062868 counting only the distinct ones).

The product of its digits is 3240, while the sum is 27.

The square root of 613131534 is about 24761.4929679129. The cubic root of 613131534 is about 849.5414061408.

The spelling of 613131534 in words is "six hundred thirteen million, one hundred thirty-one thousand, five hundred thirty-four".