105431504 has 40 divisors (see below), whose sum is σ = 208320000. Its totient is φ = 51682176.

The previous prime is 105431503. The next prime is 105431509. The reversal of 105431504 is 405134501.

It is a super-2 number, since 2×105431504² = 22231604071404032, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 105431504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105431503) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 301922 + ... + 302270.

It is an arithmetic number, because the mean of its divisors is an integer number (5208000).

Almost surely, 2^105431504 is an apocalyptic number.

It is an amenable number.

105431504 is a deficient number, since it is larger than the sum of its proper divisors (102888496).

105431504 is a wasteful number, since it uses less digits than its factorization.

105431504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 675 (or 669 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 105431504 is about 10267.9844175963. The cubic root of 105431504 is about 472.4147699541.

The spelling of 105431504 in words is "one hundred five million, four hundred thirty-one thousand, five hundred four".