431215552423045 has 16 divisors (see below), whose sum is σ = 557581066730352. Its totient is φ = 318254448084480.

The previous prime is 431215552422857. The next prime is 431215552423057. The reversal of 431215552423045 is 540324255512134.

It can be written as a sum of positive squares in 8 ways, for example, as 111968925282369 + 319246627140676 = 10581537^2 + 17867474^2 .

It is not a de Polignac number, because 431215552423045 - 2¹³ = 431215552414853 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 431215552422986 and 431215552423004.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1892095246 + ... + 1892323135.

It is an arithmetic number, because the mean of its divisors is an integer number (34848816670647).

Almost surely, 2^{431215552423045} is an apocalyptic number.

It is an amenable number.

431215552423045 is a deficient number, since it is larger than the sum of its proper divisors (126365514307307).

431215552423045 is a wasteful number, since it uses less digits than its factorization.

431215552423045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3784420152.

The product of its (nonzero) digits is 2880000, while the sum is 46.

The spelling of 431215552423045 in words is "four hundred thirty-one trillion, two hundred fifteen billion, five hundred fifty-two million, four hundred twenty-three thousand, forty-five".