1613130323 has 48 divisors (see below), whose sum is σ = 2087622720. Its totient is φ = 1236178944.

The previous prime is 1613130317. The next prime is 1613130341. The reversal of 1613130323 is 3230313161.

It is a happy number.

It is not a de Polignac number, because 1613130323 - 2⁸ = 1613130067 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1613130383) 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 47 ways as a sum of consecutive naturals, for example, 5153615 + ... + 5153927.

It is an arithmetic number, because the mean of its divisors is an integer number (43492140).

Almost surely, 2^1613130323 is an apocalyptic number.

1613130323 is a deficient number, since it is larger than the sum of its proper divisors (474492397).

1613130323 is a wasteful number, since it uses less digits than its factorization.

1613130323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 636 (or 629 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 23.

The square root of 1613130323 is about 40163.7936828682. The cubic root of 1613130323 is about 1172.7978243958.

Adding to 1613130323 its reverse (3230313161), we get a palindrome (4843443484).

The spelling of 1613130323 in words is "one billion, six hundred thirteen million, one hundred thirty thousand, three hundred twenty-three".