212022303631 has 2 divisors, whose sum is σ = 212022303632. Its totient is φ = 212022303630.

The previous prime is 212022303617. The next prime is 212022303643. The reversal of 212022303631 is 136303220212.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 212022303631 - 2²⁵ = 211988749199 is a prime.

It is a super-2 number, since 2×212022303631² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 212022303596 and 212022303605.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212022303611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106011151815 + 106011151816.

It is an arithmetic number, because the mean of its divisors is an integer number (106011151816).

Almost surely, 2^212022303631 is an apocalyptic number.

212022303631 is a deficient number, since it is larger than the sum of its proper divisors (1).

212022303631 is an equidigital number, since it uses as much as digits as its factorization.

212022303631 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 212022303631 its reverse (136303220212), we get a palindrome (348325523843).

The spelling of 212022303631 in words is "two hundred twelve billion, twenty-two million, three hundred three thousand, six hundred thirty-one".