431126242311601 has 4 divisors (see below), whose sum is σ = 433872269332852. Its totient is φ = 428380215290352.

The previous prime is 431126242311599. The next prime is 431126242311607. The reversal of 431126242311601 is 106113242621134.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 71111289428001 + 360014952883600 = 8432751^2 + 18974060^2 .

It is a cyclic number.

It is not a de Polignac number, because 431126242311601 - 2¹ = 431126242311599 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (431126242311607) 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, 1373013510390 + ... + 1373013510703.

It is an arithmetic number, because the mean of its divisors is an integer number (108468067333213).

Almost surely, 2^{431126242311601} is an apocalyptic number.

It is an amenable number.

431126242311601 is a deficient number, since it is larger than the sum of its proper divisors (2746027021251).

431126242311601 is a wasteful number, since it uses less digits than its factorization.

431126242311601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2746027021250.

The product of its (nonzero) digits is 41472, while the sum is 37.

Adding to 431126242311601 its reverse (106113242621134), we get a palindrome (537239484932735).

The spelling of 431126242311601 in words is "four hundred thirty-one trillion, one hundred twenty-six billion, two hundred forty-two million, three hundred eleven thousand, six hundred one".