211012323031 has 2 divisors, whose sum is σ = 211012323032. Its totient is φ = 211012323030.

The previous prime is 211012323007. The next prime is 211012323037. The reversal of 211012323031 is 130323210112.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 211012323031 - 2⁹ = 211012322519 is a prime.

It is a super-2 number, since 2×211012323031² (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 (211012323037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105506161515 + 105506161516.

It is an arithmetic number, because the mean of its divisors is an integer number (105506161516).

Almost surely, 2^211012323031 is an apocalyptic number.

211012323031 is a deficient number, since it is larger than the sum of its proper divisors (1).

211012323031 is an equidigital number, since it uses as much as digits as its factorization.

211012323031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 211012323031 its reverse (130323210112), we get a palindrome (341335533143).

The spelling of 211012323031 in words is "two hundred eleven billion, twelve million, three hundred twenty-three thousand, thirty-one".