31122233010101 has 2 divisors, whose sum is σ = 31122233010102. Its totient is φ = 31122233010100.

The previous prime is 31122233009981. The next prime is 31122233010109. The reversal of 31122233010101 is 10101033222113.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16243076272900 + 14879156737201 = 4030270^2 + 3857351^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-31122233010101 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31122233010109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15561116505050 + 15561116505051.

It is an arithmetic number, because the mean of its divisors is an integer number (15561116505051).

Almost surely, 2^{31122233010101} is an apocalyptic number.

It is an amenable number.

31122233010101 is a deficient number, since it is larger than the sum of its proper divisors (1).

31122233010101 is an equidigital number, since it uses as much as digits as its factorization.

31122233010101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 31122233010101 its reverse (10101033222113), we get a palindrome (41223266232214).

The spelling of 31122233010101 in words is "thirty-one trillion, one hundred twenty-two billion, two hundred thirty-three million, ten thousand, one hundred one".