431311201 has 4 divisors (see below), whose sum is σ = 431609904. Its totient is φ = 431012500.

The previous prime is 431311159. The next prime is 431311259. The reversal of 431311201 is 102113134.

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 431311201 - 2⁷ = 431311073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (431311901) 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, 147175 + ... + 150076.

It is an arithmetic number, because the mean of its divisors is an integer number (107902476).

Almost surely, 2^431311201 is an apocalyptic number.

It is an amenable number.

431311201 is a deficient number, since it is larger than the sum of its proper divisors (298703).

431311201 is a wasteful number, since it uses less digits than its factorization.

431311201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 298702.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 431311201 is about 20768.0331519381. The cubic root of 431311201 is about 755.5506419719.

Adding to 431311201 its reverse (102113134), we get a palindrome (533424335).

It can be divided in two parts, 431 and 311201, that multiplied together give a triangular number (134127631 = T₁₆₃₇₈).

The spelling of 431311201 in words is "four hundred thirty-one million, three hundred eleven thousand, two hundred one".