431443021113 has 48 divisors (see below), whose sum is σ = 707530824000. Its totient is φ = 251146998144.

The previous prime is 431443021111. The next prime is 431443021127. The reversal of 431443021113 is 311120344134.

431443021113 is a `hidden beast` number, since 4 + 3 + 1 + 4 + 430 + 211 + 13 = 666.

It is not a de Polignac number, because 431443021113 - 2¹ = 431443021111 is a prime.

It is a super-2 number, since 2×431443021113² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (431443021111) 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, 1317703 + ... + 1612211.

It is an arithmetic number, because the mean of its divisors is an integer number (14740225500).

Almost surely, 2^431443021113 is an apocalyptic number.

It is an amenable number.

431443021113 is a deficient number, since it is larger than the sum of its proper divisors (276087802887).

431443021113 is a wasteful number, since it uses less digits than its factorization.

431443021113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 295206 (or 295203 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

Adding to 431443021113 its reverse (311120344134), we get a palindrome (742563365247).

The spelling of 431443021113 in words is "four hundred thirty-one billion, four hundred forty-three million, twenty-one thousand, one hundred thirteen".