431124131312505 has 12 divisors (see below), whose sum is σ = 747281827608420. Its totient is φ = 229932870033312.

The previous prime is 431124131312461. The next prime is 431124131312521. The reversal of 431124131312505 is 505213131421134.

431124131312505 is a `hidden beast` number, since 4 + 3 + 1 + 1 + 2 + 4 + 13 + 131 + 2 + 505 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 326896958805264 + 104227172507241 = 18080292^2 + 10209171^2 .

It is not a de Polignac number, because 431124131312505 - 2⁸ = 431124131312249 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 431124131312505.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4790268125650 + ... + 4790268125739.

It is an arithmetic number, because the mean of its divisors is an integer number (62273485634035).

Almost surely, 2^{431124131312505} is an apocalyptic number.

431124131312505 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

431124131312505 is a deficient number, since it is larger than the sum of its proper divisors (316157696295915).

431124131312505 is a wasteful number, since it uses less digits than its factorization.

431124131312505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9580536251400 (or 9580536251397 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 36.

Adding to 431124131312505 its reverse (505213131421134), we get a palindrome (936337262733639).

The spelling of 431124131312505 in words is "four hundred thirty-one trillion, one hundred twenty-four billion, one hundred thirty-one million, three hundred twelve thousand, five hundred five".