431280516 has 24 divisors (see below), whose sum is σ = 1006667424. Its totient is φ = 143710720.

The previous prime is 431280457. The next prime is 431280539. The reversal of 431280516 is 615082134.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52231 + ... + 59921.

It is an arithmetic number, because the mean of its divisors is an integer number (41944476).

Almost surely, 2^431280516 is an apocalyptic number.

It is an amenable number.

431280516 is an abundant number, since it is smaller than the sum of its proper divisors (575386908).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

431280516 is a wasteful number, since it uses less digits than its factorization.

431280516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12371 (or 12369 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 431280516 is about 20767.2943832363. The cubic root of 431280516 is about 755.5327240345.

The spelling of 431280516 in words is "four hundred thirty-one million, two hundred eighty thousand, five hundred sixteen".