431561152 has 28 divisors (see below), whose sum is σ = 934233336. Its totient is φ = 196163840.

The previous prime is 431561149. The next prime is 431561159. The reversal of 431561152 is 251165134.

It is a Smith number, since the sum of its digits (28) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 431561152.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (431561159) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 305803 + ... + 307210.

Almost surely, 2^431561152 is an apocalyptic number.

It is an amenable number.

431561152 is an abundant number, since it is smaller than the sum of its proper divisors (502672184).

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

431561152 is a wasteful number, since it uses less digits than its factorization.

431561152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 613036 (or 613026 counting only the distinct ones).

The product of its digits is 3600, while the sum is 28.

The square root of 431561152 is about 20774.0499662439. The cubic root of 431561152 is about 755.6965645828.

The spelling of 431561152 in words is "four hundred thirty-one million, five hundred sixty-one thousand, one hundred fifty-two".