672431131 has 8 divisors (see below), whose sum is σ = 682864128. Its totient is φ = 662025000.

The previous prime is 672431129. The next prime is 672431183. The reversal of 672431131 is 131134276.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 672431131 - 2¹ = 672431129 is a prime.

It is a super-2 number, since 2×672431131² = 904327251875878322, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 672431131.

It is not an unprimeable number, because it can be changed into a prime (672431231) 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 7 ways as a sum of consecutive naturals, for example, 47016 + ... + 59626.

It is an arithmetic number, because the mean of its divisors is an integer number (85358016).

Almost surely, 2^672431131 is an apocalyptic number.

672431131 is a deficient number, since it is larger than the sum of its proper divisors (10432997).

672431131 is a wasteful number, since it uses less digits than its factorization.

672431131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13433.

The product of its digits is 3024, while the sum is 28.

The square root of 672431131 is about 25931.2770800051. The cubic root of 672431131 is about 876.0911040511.

The spelling of 672431131 in words is "six hundred seventy-two million, four hundred thirty-one thousand, one hundred thirty-one".