4381880731 has 4 divisors (see below), whose sum is σ = 4400215200. Its totient is φ = 4363546264.

The previous prime is 4381880687. The next prime is 4381880743. The reversal of 4381880731 is 1370881834.

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 4381880731 - 2⁷ = 4381880603 is a prime.

It is a super-2 number, since 2×4381880731² = 38401757481418188722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4381880431) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9166876 + ... + 9167353.

It is an arithmetic number, because the mean of its divisors is an integer number (1100053800).

Almost surely, 2^4381880731 is an apocalyptic number.

4381880731 is a deficient number, since it is larger than the sum of its proper divisors (18334469).

4381880731 is a wasteful number, since it uses less digits than its factorization.

4381880731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18334468.

The product of its (nonzero) digits is 129024, while the sum is 43.

The square root of 4381880731 is about 66195.7757791235. The cubic root of 4381880731 is about 1636.3901279812.

The spelling of 4381880731 in words is "four billion, three hundred eighty-one million, eight hundred eighty thousand, seven hundred thirty-one".