421253114431 has 8 divisors (see below), whose sum is σ = 443430514800. Its totient is φ = 399076332480.

The previous prime is 421253114419. The next prime is 421253114453. The reversal of 421253114431 is 134411352124.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 421253114431 - 2²⁷ = 421118896703 is a prime.

It is a super-2 number, since 2×421253114431² (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 = 421253114393 and 421253114402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (421253124431) 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, 2049315 + ... + 2245483.

It is an arithmetic number, because the mean of its divisors is an integer number (55428814350).

Almost surely, 2^421253114431 is an apocalyptic number.

421253114431 is a deficient number, since it is larger than the sum of its proper divisors (22177400369).

421253114431 is a wasteful number, since it uses less digits than its factorization.

421253114431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 309209.

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

Adding to 421253114431 its reverse (134411352124), we get a palindrome (555664466555).

The spelling of 421253114431 in words is "four hundred twenty-one billion, two hundred fifty-three million, one hundred fourteen thousand, four hundred thirty-one".