431890636011 has 16 divisors (see below), whose sum is σ = 582880615680. Its totient is φ = 284426863200.

The previous prime is 431890636007. The next prime is 431890636039. The reversal of 431890636011 is 110636098134.

It is not a de Polignac number, because 431890636011 - 2² = 431890636007 is a prime.

It is not an unprimeable number, because it can be changed into a prime (431890636081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1490425 + ... + 1756458.

It is an arithmetic number, because the mean of its divisors is an integer number (36430038480).

Almost surely, 2^431890636011 is an apocalyptic number.

431890636011 is a deficient number, since it is larger than the sum of its proper divisors (150989979669).

431890636011 is a wasteful number, since it uses less digits than its factorization.

431890636011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3247426.

The product of its (nonzero) digits is 93312, while the sum is 42.

The spelling of 431890636011 in words is "four hundred thirty-one billion, eight hundred ninety million, six hundred thirty-six thousand, eleven".