431378975201 has 4 divisors (see below), whose sum is σ = 431380984512. Its totient is φ = 431376965892.

The previous prime is 431378975171. The next prime is 431378975231. The reversal of 431378975201 is 102579873134.

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 an interprime number because it is at equal distance from previous prime (431378975171) and next prime (431378975231).

It is a cyclic number.

It is not a de Polignac number, because 431378975201 - 2¹⁸ = 431378713057 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 431378975201.

It is not an unprimeable number, because it can be changed into a prime (431378975231) 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, 638021 + ... + 1126866.

It is an arithmetic number, because the mean of its divisors is an integer number (107845246128).

Almost surely, 2^431378975201 is an apocalyptic number.

It is an amenable number.

431378975201 is a deficient number, since it is larger than the sum of its proper divisors (2009311).

431378975201 is a wasteful number, since it uses less digits than its factorization.

431378975201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2009310.

The product of its (nonzero) digits is 1270080, while the sum is 50.

The spelling of 431378975201 in words is "four hundred thirty-one billion, three hundred seventy-eight million, nine hundred seventy-five thousand, two hundred one".