21322013113031 has 2 divisors, whose sum is σ = 21322013113032. Its totient is φ = 21322013113030.

The previous prime is 21322013112989. The next prime is 21322013113061. The reversal of 21322013113031 is 13031131022312.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 21322013113031 - 2³⁸ = 21047135206087 is a prime.

It is a super-2 number, since 2×21322013113031² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 21322013112988 and 21322013113006.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (21322013113061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10661006556515 + 10661006556516.

It is an arithmetic number, because the mean of its divisors is an integer number (10661006556516).

Almost surely, 2^{21322013113031} is an apocalyptic number.

21322013113031 is a deficient number, since it is larger than the sum of its proper divisors (1).

21322013113031 is an equidigital number, since it uses as much as digits as its factorization.

21322013113031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 21322013113031 its reverse (13031131022312), we get a palindrome (34353144135343).

The spelling of 21322013113031 in words is "twenty-one trillion, three hundred twenty-two billion, thirteen million, one hundred thirteen thousand, thirty-one".