613131430 has 8 divisors (see below), whose sum is σ = 1103636592. Its totient is φ = 245252568.

The previous prime is 613131391. The next prime is 613131439. The reversal of 613131430 is 34131316.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (613131439) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 30656562 + ... + 30656581.

It is an arithmetic number, because the mean of its divisors is an integer number (137954574).

Almost surely, 2^613131430 is an apocalyptic number.

613131430 is a deficient number, since it is larger than the sum of its proper divisors (490505162).

613131430 is a wasteful number, since it uses less digits than its factorization.

613131430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61313150.

The product of its (nonzero) digits is 648, while the sum is 22.

The square root of 613131430 is about 24761.4908678779. The cubic root of 613131430 is about 849.5413581074.

Adding to 613131430 its reverse (34131316), we get a palindrome (647262746).

The spelling of 613131430 in words is "six hundred thirteen million, one hundred thirty-one thousand, four hundred thirty".