211022043031 has 2 divisors, whose sum is σ = 211022043032. Its totient is φ = 211022043030.

The previous prime is 211022043013. The next prime is 211022043073. The reversal of 211022043031 is 130340220112.

It is a happy number.

Together with previous prime (211022043013) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-211022043031 is a prime.

It is a super-2 number, since 2×211022043031² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (211022043431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105511021515 + 105511021516.

It is an arithmetic number, because the mean of its divisors is an integer number (105511021516).

Almost surely, 2^211022043031 is an apocalyptic number.

211022043031 is a deficient number, since it is larger than the sum of its proper divisors (1).

211022043031 is an equidigital number, since it uses as much as digits as its factorization.

211022043031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 211022043031 its reverse (130340220112), we get a palindrome (341362263143).

The spelling of 211022043031 in words is "two hundred eleven billion, twenty-two million, forty-three thousand, thirty-one".