31212130100301 has 24 divisors (see below), whose sum is σ = 46252020951864. Its totient is φ = 20270586186240.

The previous prime is 31212130100297. The next prime is 31212130100321. The reversal of 31212130100301 is 10300103121213.

31212130100301 is a `hidden beast` number, since 31 + 21 + 213 + 0 + 100 + 301 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 561789224676 + 30650340875625 = 749526^2 + 5536275^2 .

It is not a de Polignac number, because 31212130100301 - 2² = 31212130100297 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31212130100321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 62221176 + ... + 62720801.

It is an arithmetic number, because the mean of its divisors is an integer number (1927167539661).

Almost surely, 2^{31212130100301} is an apocalyptic number.

It is an amenable number.

31212130100301 is a deficient number, since it is larger than the sum of its proper divisors (15039890851563).

31212130100301 is a wasteful number, since it uses less digits than its factorization.

31212130100301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124942701 (or 124942698 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 31212130100301 its reverse (10300103121213), we get a palindrome (41512233221514).

The spelling of 31212130100301 in words is "thirty-one trillion, two hundred twelve billion, one hundred thirty million, one hundred thousand, three hundred one".