613231100 has 72 divisors (see below), whose sum is σ = 1390640160. Its totient is φ = 234420480.

The previous prime is 613231097. The next prime is 613231103. The reversal of 613231100 is 1132316.

613231100 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (613231097) and next prime (613231103).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (613231103) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 297674 + ... + 299726.

Almost surely, 2^613231100 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 613231100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (695320080).

613231100 is an abundant number, since it is smaller than the sum of its proper divisors (777409060).

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

613231100 is a wasteful number, since it uses less digits than its factorization.

613231100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2199 (or 2192 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 613231100 is about 24763.5033870412. The cubic root of 613231100 is about 849.5873891297.

Adding to 613231100 its reverse (1132316), we get a palindrome (614363416).

The spelling of 613231100 in words is "six hundred thirteen million, two hundred thirty-one thousand, one hundred".