21310142013371 has 2 divisors, whose sum is σ = 21310142013372. Its totient is φ = 21310142013370.

The previous prime is 21310142013361. The next prime is 21310142013403. The reversal of 21310142013371 is 17331024101312.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 21310142013371 - 2¹⁰ = 21310142012347 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (21310142013361) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10655071006685 + 10655071006686.

It is an arithmetic number, because the mean of its divisors is an integer number (10655071006686).

Almost surely, 2^{21310142013371} is an apocalyptic number.

21310142013371 is a deficient number, since it is larger than the sum of its proper divisors (1).

21310142013371 is an equidigital number, since it uses as much as digits as its factorization.

21310142013371 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3024, while the sum is 29.

Adding to 21310142013371 its reverse (17331024101312), we get a palindrome (38641166114683).

The spelling of 21310142013371 in words is "twenty-one trillion, three hundred ten billion, one hundred forty-two million, thirteen thousand, three hundred seventy-one".