120211000031 has 2 divisors, whose sum is σ = 120211000032. Its totient is φ = 120211000030.

The previous prime is 120211000027. The next prime is 120211000033. The reversal of 120211000031 is 130000112021.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 120211000031 - 2² = 120211000027 is a prime.

It is a super-2 number, since 2×120211000031² (a number of 23 digits) contains 22 as substring.

Together with 120211000033, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 120210999976 and 120211000021.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120211000033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60105500015 + 60105500016.

It is an arithmetic number, because the mean of its divisors is an integer number (60105500016).

Almost surely, 2^120211000031 is an apocalyptic number.

120211000031 is a deficient number, since it is larger than the sum of its proper divisors (1).

120211000031 is an equidigital number, since it uses as much as digits as its factorization.

120211000031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12, while the sum is 11.

Adding to 120211000031 its reverse (130000112021), we get a palindrome (250211112052).

The spelling of 120211000031 in words is "one hundred twenty billion, two hundred eleven million, thirty-one", and thus it is an aban number.