431101401 has 4 divisors (see below), whose sum is σ = 574801872. Its totient is φ = 287400932.

The previous prime is 431101387. The next prime is 431101409. The reversal of 431101401 is 104101134.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 431101401 - 2⁹ = 431100889 is a prime.

It is not an unprimeable number, because it can be changed into a prime (431101409) 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, 71850231 + ... + 71850236.

It is an arithmetic number, because the mean of its divisors is an integer number (143700468).

Almost surely, 2^431101401 is an apocalyptic number.

It is an amenable number.

431101401 is a deficient number, since it is larger than the sum of its proper divisors (143700471).

431101401 is a wasteful number, since it uses less digits than its factorization.

431101401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143700470.

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 431101401 is about 20762.9815055545. The cubic root of 431101401 is about 755.4281161847.

Adding to 431101401 its reverse (104101134), we get a palindrome (535202535).

The spelling of 431101401 in words is "four hundred thirty-one million, one hundred one thousand, four hundred one".