22201020031 has 2 divisors, whose sum is σ = 22201020032. Its totient is φ = 22201020030.

The previous prime is 22201020019. The next prime is 22201020131. The reversal of 22201020031 is 13002010222.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22201020031 - 2⁵ = 22201019999 is a prime.

It is a super-2 number, since 2×22201020031² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22201019993 and 22201020020.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22201020131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11100510015 + 11100510016.

It is an arithmetic number, because the mean of its divisors is an integer number (11100510016).

Almost surely, 2^22201020031 is an apocalyptic number.

22201020031 is a deficient number, since it is larger than the sum of its proper divisors (1).

22201020031 is an equidigital number, since it uses as much as digits as its factorization.

22201020031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48, while the sum is 13.

Adding to 22201020031 its reverse (13002010222), we get a palindrome (35203030253).

The spelling of 22201020031 in words is "twenty-two billion, two hundred one million, twenty thousand, thirty-one".