431403243131 has 12 divisors (see below), whose sum is σ = 528248870280. Its totient is φ = 350312407200.

The previous prime is 431403243121. The next prime is 431403243133. The reversal of 431403243131 is 131342304134.

It is a happy number.

It is not a de Polignac number, because 431403243131 - 2¹⁴ = 431403226747 is a prime.

It is a super-2 number, since 2×431403243131² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 431403243094 and 431403243103.

It is not an unprimeable number, because it can be changed into a prime (431403243133) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 231687170 + ... + 231689031.

It is an arithmetic number, because the mean of its divisors is an integer number (44020739190).

Almost surely, 2^431403243131 is an apocalyptic number.

431403243131 is a deficient number, since it is larger than the sum of its proper divisors (96845627149).

431403243131 is a wasteful number, since it uses less digits than its factorization.

431403243131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 463376234 (or 463376227 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 29.

Adding to 431403243131 its reverse (131342304134), we get a palindrome (562745547265).

The spelling of 431403243131 in words is "four hundred thirty-one billion, four hundred three million, two hundred forty-three thousand, one hundred thirty-one".