431130044 has 12 divisors (see below), whose sum is σ = 754737984. Its totient is φ = 215490624.

The previous prime is 431130041. The next prime is 431130079. The reversal of 431130044 is 440031134.

It is a happy number.

It is a super-2 number, since 2×431130044² = 371746229678883872, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 431129998 and 431130025.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (431130041) 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, 4349 + ... + 29684.

It is an arithmetic number, because the mean of its divisors is an integer number (62894832).

Almost surely, 2^431130044 is an apocalyptic number.

It is an amenable number.

431130044 is a deficient number, since it is larger than the sum of its proper divisors (323607940).

431130044 is a wasteful number, since it uses less digits than its factorization.

431130044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37204 (or 37202 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 431130044 is about 20763.6712553440. The cubic root of 431130044 is about 755.4448463927. Note that the first 3 decimals are identical.

Adding to 431130044 its reverse (440031134), we get a palindrome (871161178).

The spelling of 431130044 in words is "four hundred thirty-one million, one hundred thirty thousand, forty-four".