431421124135 has 8 divisors (see below), whose sum is σ = 523042518096. Its totient is φ = 341578786560.

The previous prime is 431421124103. The next prime is 431421124139. The reversal of 431421124135 is 531421124134.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 431421124135 - 2⁵ = 431421124103 is a prime.

It is a super-2 number, since 2×431421124135² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 431421124097 and 431421124106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (431421124139) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 444763561 + ... + 444764530.

It is an arithmetic number, because the mean of its divisors is an integer number (65380314762).

Almost surely, 2^431421124135 is an apocalyptic number.

431421124135 is a deficient number, since it is larger than the sum of its proper divisors (91621393961).

431421124135 is an equidigital number, since it uses as much as digits as its factorization.

431421124135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 889528193.

The product of its digits is 11520, while the sum is 31.

Adding to 431421124135 its reverse (531421124134), we get a palindrome (962842248269).

Subtracting 431421124135 from its reverse (531421124134), we obtain a palindrome (99999999999).

The spelling of 431421124135 in words is "four hundred thirty-one billion, four hundred twenty-one million, one hundred twenty-four thousand, one hundred thirty-five".