431242004113121 has 4 divisors (see below), whose sum is σ = 431571952090032. Its totient is φ = 430912056136212.

The previous prime is 431242004113117. The next prime is 431242004113133. The reversal of 431242004113121 is 121311400242134.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 431242004113121 - 2² = 431242004113117 is a prime.

It is a super-2 number, since 2×431242004113121² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (431242004103121) 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, 164973986495 + ... + 164973989108.

It is an arithmetic number, because the mean of its divisors is an integer number (107892988022508).

Almost surely, 2^{431242004113121} is an apocalyptic number.

It is an amenable number.

431242004113121 is a deficient number, since it is larger than the sum of its proper divisors (329947976911).

431242004113121 is a wasteful number, since it uses less digits than its factorization.

431242004113121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 329947976910.

The product of its (nonzero) digits is 4608, while the sum is 29.

Adding to 431242004113121 its reverse (121311400242134), we get a palindrome (552553404355255).

The spelling of 431242004113121 in words is "four hundred thirty-one trillion, two hundred forty-two billion, four million, one hundred thirteen thousand, one hundred twenty-one".