31422011204413 has 2 divisors, whose sum is σ = 31422011204414. Its totient is φ = 31422011204412.

The previous prime is 31422011204411. The next prime is 31422011204417. The reversal of 31422011204413 is 31440211022413.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 26282663262244 + 5139347942169 = 5126662^2 + 2267013^2 .

It is a cyclic number.

It is not a de Polignac number, because 31422011204413 - 2¹ = 31422011204411 is a prime.

It is a super-2 number, since 2×31422011204413² (a number of 28 digits) contains 22 as substring.

Together with 31422011204411, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31422011204411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15711005602206 + 15711005602207.

It is an arithmetic number, because the mean of its divisors is an integer number (15711005602207).

Almost surely, 2^{31422011204413} is an apocalyptic number.

It is an amenable number.

31422011204413 is a deficient number, since it is larger than the sum of its proper divisors (1).

31422011204413 is an equidigital number, since it uses as much as digits as its factorization.

31422011204413 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4608, while the sum is 28.

Adding to 31422011204413 its reverse (31440211022413), we get a palindrome (62862222226826).

The spelling of 31422011204413 in words is "thirty-one trillion, four hundred twenty-two billion, eleven million, two hundred four thousand, four hundred thirteen".