481378031 has 4 divisors (see below), whose sum is σ = 481422000. Its totient is φ = 481334064.

The previous prime is 481378021. The next prime is 481378039. The reversal of 481378031 is 130873184.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-481378031 is a prime.

It is a super-2 number, since 2×481378031² = 463449617458873922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 481377982 and 481378000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (481378039) 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, 8915 + ... + 32283.

It is an arithmetic number, because the mean of its divisors is an integer number (120355500).

Almost surely, 2^481378031 is an apocalyptic number.

481378031 is a deficient number, since it is larger than the sum of its proper divisors (43969).

481378031 is a wasteful number, since it uses less digits than its factorization.

481378031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43968.

The product of its (nonzero) digits is 16128, while the sum is 35.

The square root of 481378031 is about 21940.3288717375. The cubic root of 481378031 is about 783.7220913644.

The spelling of 481378031 in words is "four hundred eighty-one million, three hundred seventy-eight thousand, thirty-one".