101031222031 has 2 divisors, whose sum is σ = 101031222032. Its totient is φ = 101031222030.

The previous prime is 101031222023. The next prime is 101031222073. The reversal of 101031222031 is 130222130101.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 101031222031 - 2³ = 101031222023 is a prime.

It is a super-2 number, since 2×101031222031² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 101031221996 and 101031222014.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (101031222011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50515611015 + 50515611016.

It is an arithmetic number, because the mean of its divisors is an integer number (50515611016).

Almost surely, 2^101031222031 is an apocalyptic number.

101031222031 is a deficient number, since it is larger than the sum of its proper divisors (1).

101031222031 is an equidigital number, since it uses as much as digits as its factorization.

101031222031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 101031222031 its reverse (130222130101), we get a palindrome (231253352132).

The spelling of 101031222031 in words is "one hundred one billion, thirty-one million, two hundred twenty-two thousand, thirty-one".