212002103101031 has 2 divisors, whose sum is σ = 212002103101032. Its totient is φ = 212002103101030.

The previous prime is 212002103101021. The next prime is 212002103101067. The reversal of 212002103101031 is 130101301200212.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 212002103101031 - 2⁶ = 212002103100967 is a prime.

It is a super-2 number, since 2×212002103101031² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212002103101001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106001051550515 + 106001051550516.

It is an arithmetic number, because the mean of its divisors is an integer number (106001051550516).

Almost surely, 2^{212002103101031} is an apocalyptic number.

212002103101031 is a deficient number, since it is larger than the sum of its proper divisors (1).

212002103101031 is an equidigital number, since it uses as much as digits as its factorization.

212002103101031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 212002103101031 its reverse (130101301200212), we get a palindrome (342103404301243).

The spelling of 212002103101031 in words is "two hundred twelve trillion, two billion, one hundred three million, one hundred one thousand, thirty-one".