421114140113431 has 4 divisors (see below), whose sum is σ = 421117312456864. Its totient is φ = 421110967770000.

The previous prime is 421114140113417. The next prime is 421114140113489. The reversal of 421114140113431 is 134311041411124.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-421114140113431 is a prime.

It is a super-2 number, since 2×421114140113431² (a number of 30 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 = 421114140113393 and 421114140113402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (421114140113831) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1585972590 + ... + 1586238091.

It is an arithmetic number, because the mean of its divisors is an integer number (105279328114216).

Almost surely, 2^{421114140113431} is an apocalyptic number.

421114140113431 is a deficient number, since it is larger than the sum of its proper divisors (3172343433).

421114140113431 is a wasteful number, since it uses less digits than its factorization.

421114140113431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3172343432.

The product of its (nonzero) digits is 4608, while the sum is 31.

Adding to 421114140113431 its reverse (134311041411124), we get a palindrome (555425181524555).

The spelling of 421114140113431 in words is "four hundred twenty-one trillion, one hundred fourteen billion, one hundred forty million, one hundred thirteen thousand, four hundred thirty-one".