31342220225311 has 2 divisors, whose sum is σ = 31342220225312. Its totient is φ = 31342220225310.

The previous prime is 31342220225263. The next prime is 31342220225429. The reversal of 31342220225311 is 11352202224313.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 31342220225311 - 2¹¹ = 31342220223263 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31342220225011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15671110112655 + 15671110112656.

It is an arithmetic number, because the mean of its divisors is an integer number (15671110112656).

Almost surely, 2^{31342220225311} is an apocalyptic number.

31342220225311 is a deficient number, since it is larger than the sum of its proper divisors (1).

31342220225311 is an equidigital number, since it uses as much as digits as its factorization.

31342220225311 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17280, while the sum is 31.

Adding to 31342220225311 its reverse (11352202224313), we get a palindrome (42694422449624).

The spelling of 31342220225311 in words is "thirty-one trillion, three hundred forty-two billion, two hundred twenty million, two hundred twenty-five thousand, three hundred eleven".