31352300641 has 2 divisors, whose sum is σ = 31352300642. Its totient is φ = 31352300640.

The previous prime is 31352300633. The next prime is 31352300663. The reversal of 31352300641 is 14600325313.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21571090641 + 9781210000 = 146871^2 + 98900^2 .

It is a cyclic number.

It is not a de Polignac number, because 31352300641 - 2³ = 31352300633 is a prime.

It is not a weakly prime, because it can be changed into another prime (31352300141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15676150320 + 15676150321.

It is an arithmetic number, because the mean of its divisors is an integer number (15676150321).

Almost surely, 2^31352300641 is an apocalyptic number.

It is an amenable number.

31352300641 is a deficient number, since it is larger than the sum of its proper divisors (1).

31352300641 is an equidigital number, since it uses as much as digits as its factorization.

31352300641 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6480, while the sum is 28.

Adding to 31352300641 its reverse (14600325313), we get a palindrome (45952625954).

The spelling of 31352300641 in words is "thirty-one billion, three hundred fifty-two million, three hundred thousand, six hundred forty-one".