20022331031 has 2 divisors, whose sum is σ = 20022331032. Its totient is φ = 20022331030.

The previous prime is 20022330973. The next prime is 20022331079. The reversal of 20022331031 is 13013322002.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20022331031 - 2³⁴ = 2842461847 is a prime.

It is a super-2 number, since 2×20022331031² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20027331031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10011165515 + 10011165516.

It is an arithmetic number, because the mean of its divisors is an integer number (10011165516).

Almost surely, 2^20022331031 is an apocalyptic number.

20022331031 is a deficient number, since it is larger than the sum of its proper divisors (1).

20022331031 is an equidigital number, since it uses as much as digits as its factorization.

20022331031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 20022331031 its reverse (13013322002), we get a palindrome (33035653033).

The spelling of 20022331031 in words is "twenty billion, twenty-two million, three hundred thirty-one thousand, thirty-one".