431313030231421 has 16 divisors (see below), whose sum is σ = 464698101417984. Its totient is φ = 397957573226304.

The previous prime is 431313030231373. The next prime is 431313030231451. The reversal of 431313030231421 is 124132030313134.

It is not a de Polignac number, because 431313030231421 - 2⁴⁷ = 290575541876093 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (431313030231451) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 480306775 + ... + 481203931.

It is an arithmetic number, because the mean of its divisors is an integer number (29043631338624).

Almost surely, 2^{431313030231421} is an apocalyptic number.

It is an amenable number.

431313030231421 is a deficient number, since it is larger than the sum of its proper divisors (33385071186563).

431313030231421 is a wasteful number, since it uses less digits than its factorization.

431313030231421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 913620.

The product of its (nonzero) digits is 15552, while the sum is 31.

Adding to 431313030231421 its reverse (124132030313134), we get a palindrome (555445060544555).

The spelling of 431313030231421 in words is "four hundred thirty-one trillion, three hundred thirteen billion, thirty million, two hundred thirty-one thousand, four hundred twenty-one".