1031300242021 has 16 divisors (see below), whose sum is σ = 1200683191680. Its totient is φ = 867482818560.

The previous prime is 1031300242013. The next prime is 1031300242039. The reversal of 1031300242021 is 1202420031301.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1031300242021 - 2³ = 1031300242013 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1031300242021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1031300240021) 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, 1925560 + ... + 2402161.

It is an arithmetic number, because the mean of its divisors is an integer number (75042699480).

Almost surely, 2^{1031300242021} is an apocalyptic number.

It is an amenable number.

1031300242021 is a deficient number, since it is larger than the sum of its proper divisors (169382949659).

1031300242021 is an equidigital number, since it uses as much as digits as its factorization.

1031300242021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4328364.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 1031300242021 its reverse (1202420031301), we get a palindrome (2233720273322).

The spelling of 1031300242021 in words is "one trillion, thirty-one billion, three hundred million, two hundred forty-two thousand, twenty-one".