481131915 has 16 divisors (see below), whose sum is σ = 839794176. Its totient is φ = 233276000.

The previous prime is 481131899. The next prime is 481131919. The reversal of 481131915 is 519131184.

It is not a de Polignac number, because 481131915 - 2⁴ = 481131899 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (481131919) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1457811 + ... + 1458140.

It is an arithmetic number, because the mean of its divisors is an integer number (52487136).

Almost surely, 2^481131915 is an apocalyptic number.

481131915 is a deficient number, since it is larger than the sum of its proper divisors (358662261).

481131915 is a wasteful number, since it uses less digits than its factorization.

481131915 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2915970.

The product of its digits is 4320, while the sum is 33.

The square root of 481131915 is about 21934.7193964272. The cubic root of 481131915 is about 783.5885030576.

The spelling of 481131915 in words is "four hundred eighty-one million, one hundred thirty-one thousand, nine hundred fifteen".