481721031 has 24 divisors (see below), whose sum is σ = 766056720. Its totient is φ = 289267200.

The previous prime is 481721029. The next prime is 481721047. The reversal of 481721031 is 130127184.

It is not a de Polignac number, because 481721031 - 2¹ = 481721029 is a prime.

It is a super-2 number, since 2×481721031² = 464110303415405922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 481720986 and 481721004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (481721011) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11530 + ... + 33111.

It is an arithmetic number, because the mean of its divisors is an integer number (31919030).

Almost surely, 2^481721031 is an apocalyptic number.

481721031 is a deficient number, since it is larger than the sum of its proper divisors (284335689).

481721031 is a wasteful number, since it uses less digits than its factorization.

481721031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44767 (or 44764 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 27.

The square root of 481721031 is about 21948.1441356667. The cubic root of 481721031 is about 783.9081910185.

The spelling of 481721031 in words is "four hundred eighty-one million, seven hundred twenty-one thousand, thirty-one".