431634530041331 has 4 divisors (see below), whose sum is σ = 431637401190192. Its totient is φ = 431631658892472.

The previous prime is 431634530041279. The next prime is 431634530041409. The reversal of 431634530041331 is 133140035436134.

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

It is a cyclic number.

It is not a de Polignac number, because 431634530041331 - 2³⁸ = 431359652134387 is a prime.

It is a super-2 number, since 2×431634530041331² (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 (431634530041831) 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, 1435348916 + ... + 1435649601.

It is an arithmetic number, because the mean of its divisors is an integer number (107909350297548).

Almost surely, 2^{431634530041331} is an apocalyptic number.

431634530041331 is a deficient number, since it is larger than the sum of its proper divisors (2871148861).

431634530041331 is a wasteful number, since it uses less digits than its factorization.

431634530041331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2871148860.

The product of its (nonzero) digits is 466560, while the sum is 41.

Adding to 431634530041331 its reverse (133140035436134), we get a palindrome (564774565477465).

The spelling of 431634530041331 in words is "four hundred thirty-one trillion, six hundred thirty-four billion, five hundred thirty million, forty-one thousand, three hundred thirty-one".