31324200001 has 4 divisors (see below), whose sum is σ = 31411454400. Its totient is φ = 31236945604.

The previous prime is 31324199989. The next prime is 31324200007. The reversal of 31324200001 is 10000242313.

It is a happy number.

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 31324200001 - 2⁷ = 31324199873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31324200007) 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, 43626661 + ... + 43627378.

It is an arithmetic number, because the mean of its divisors is an integer number (7852863600).

Almost surely, 2^31324200001 is an apocalyptic number.

It is an amenable number.

31324200001 is a deficient number, since it is larger than the sum of its proper divisors (87254399).

31324200001 is an equidigital number, since it uses as much as digits as its factorization.

31324200001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87254398.

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 31324200001 its reverse (10000242313), we get a palindrome (41324442314).

The spelling of 31324200001 in words is "thirty-one billion, three hundred twenty-four million, two hundred thousand, one".