431401121133 has 8 divisors (see below), whose sum is σ = 575209310688. Its totient is φ = 287596839504.

The previous prime is 431401121113. The next prime is 431401121161. The reversal of 431401121133 is 331121104134.

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 431401121133 - 2⁶ = 431401121069 is a prime.

It is a super-2 number, since 2×431401121133² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (431401121113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 708891 + ... + 1168472.

It is an arithmetic number, because the mean of its divisors is an integer number (71901163836).

Almost surely, 2^431401121133 is an apocalyptic number.

It is an amenable number.

431401121133 is a deficient number, since it is larger than the sum of its proper divisors (143808189555).

431401121133 is a wasteful number, since it uses less digits than its factorization.

431401121133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1953963.

The product of its (nonzero) digits is 864, while the sum is 24.

Adding to 431401121133 its reverse (331121104134), we get a palindrome (762522225267).

The spelling of 431401121133 in words is "four hundred thirty-one billion, four hundred one million, one hundred twenty-one thousand, one hundred thirty-three".