8413120631 has 4 divisors (see below), whose sum is σ = 8464735032. Its totient is φ = 8361506232.

The previous prime is 8413120627. The next prime is 8413120679. The reversal of 8413120631 is 1360213148.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 8413120631 - 2² = 8413120627 is a prime.

It is a super-2 number, since 2×8413120631² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 8413120594 and 8413120603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8413120831) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25806956 + ... + 25807281.

It is an arithmetic number, because the mean of its divisors is an integer number (2116183758).

Almost surely, 2^8413120631 is an apocalyptic number.

8413120631 is a deficient number, since it is larger than the sum of its proper divisors (51614401).

8413120631 is a wasteful number, since it uses less digits than its factorization.

8413120631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51614400.

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 8413120631 is about 91723.0648801053. The cubic root of 8413120631 is about 2033.8505568178.

Adding to 8413120631 its reverse (1360213148), we get a palindrome (9773333779).

The spelling of 8413120631 in words is "eight billion, four hundred thirteen million, one hundred twenty thousand, six hundred thirty-one".