613103031 has 6 divisors (see below), whose sum is σ = 885593280. Its totient is φ = 408735348.

The previous prime is 613103003. The next prime is 613103047. The reversal of 613103031 is 130301316.

It is not a de Polignac number, because 613103031 - 2⁵ = 613102999 is a prime.

It is a super-2 number, since 2×613103031² = 751790653242773922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 613102995 and 613103013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (613103731) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 34061271 + ... + 34061288.

It is an arithmetic number, because the mean of its divisors is an integer number (147598880).

Almost surely, 2^613103031 is an apocalyptic number.

613103031 is a deficient number, since it is larger than the sum of its proper divisors (272490249).

613103031 is a wasteful number, since it uses less digits than its factorization.

613103031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68122565 (or 68122562 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 18.

The square root of 613103031 is about 24760.9174103061. The cubic root of 613103031 is about 849.5282415627.

Adding to 613103031 its reverse (130301316), we get a palindrome (743404347).

The spelling of 613103031 in words is "six hundred thirteen million, one hundred three thousand, thirty-one".