431233144312351 has 6 divisors (see below), whose sum is σ = 445592624665056. Its totient is φ = 417322397720700.

The previous prime is 431233144312337. The next prime is 431233144312367. The reversal of 431233144312351 is 153213441332134.

It is a happy number.

It is not a de Polignac number, because 431233144312351 - 2⁵ = 431233144312319 is a prime.

It is a super-2 number, since 2×431233144312351² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (431233144310351) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 224366879535 + ... + 224366881456.

It is an arithmetic number, because the mean of its divisors is an integer number (74265437444176).

Almost surely, 2^{431233144312351} is an apocalyptic number.

431233144312351 is a deficient number, since it is larger than the sum of its proper divisors (14359480352705).

431233144312351 is an equidigital number, since it uses as much as digits as its factorization.

431233144312351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 448733761053 (or 448733761022 counting only the distinct ones).

The product of its digits is 311040, while the sum is 40.

Adding to 431233144312351 its reverse (153213441332134), we get a palindrome (584446585644485).

The spelling of 431233144312351 in words is "four hundred thirty-one trillion, two hundred thirty-three billion, one hundred forty-four million, three hundred twelve thousand, three hundred fifty-one".