212831949301 has 2 divisors, whose sum is σ = 212831949302. Its totient is φ = 212831949300.

The previous prime is 212831949283. The next prime is 212831949311. The reversal of 212831949301 is 103949138212.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 110108494276 + 102723455025 = 331826^2 + 320505^2 .

It is a cyclic number.

It is not a de Polignac number, because 212831949301 - 2⁵ = 212831949269 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212831949311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106415974650 + 106415974651.

It is an arithmetic number, because the mean of its divisors is an integer number (106415974651).

Almost surely, 2^212831949301 is an apocalyptic number.

It is an amenable number.

212831949301 is a deficient number, since it is larger than the sum of its proper divisors (1).

212831949301 is an equidigital number, since it uses as much as digits as its factorization.

212831949301 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 93312, while the sum is 43.

The spelling of 212831949301 in words is "two hundred twelve billion, eight hundred thirty-one million, nine hundred forty-nine thousand, three hundred one".