431023433231313 has 48 divisors (see below), whose sum is σ = 695452028596416. Its totient is φ = 265192352758080.

The previous prime is 431023433231311. The next prime is 431023433231383. The reversal of 431023433231313 is 313132334320134.

431023433231313 is a `hidden beast` number, since 4 + 3 + 1 + 0 + 2 + 3 + 4 + 332 + 3 + 1 + 313 = 666.

It is not a de Polignac number, because 431023433231313 - 2¹ = 431023433231311 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (431023433231311) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2274106 + ... + 29448572.

It is an arithmetic number, because the mean of its divisors is an integer number (14488583929092).

Almost surely, 2^{431023433231313} is an apocalyptic number.

It is an amenable number.

431023433231313 is a deficient number, since it is larger than the sum of its proper divisors (264428595365103).

431023433231313 is a wasteful number, since it uses less digits than its factorization.

431023433231313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27179516 (or 27179504 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 36.

Adding to 431023433231313 its reverse (313132334320134), we get a palindrome (744155767551447).

The spelling of 431023433231313 in words is "four hundred thirty-one trillion, twenty-three billion, four hundred thirty-three million, two hundred thirty-one thousand, three hundred thirteen".