120331271 has 2 divisors, whose sum is σ = 120331272. Its totient is φ = 120331270.

The previous prime is 120331261. The next prime is 120331273. The reversal of 120331271 is 172133021.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 120331271 - 2¹⁸ = 120069127 is a prime.

It is a super-2 number, since 2×120331271² = 28959229560950882, which contains 22 as substring.

Together with 120331273, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120331273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60165635 + 60165636.

It is an arithmetic number, because the mean of its divisors is an integer number (60165636).

Almost surely, 2^120331271 is an apocalyptic number.

120331271 is a deficient number, since it is larger than the sum of its proper divisors (1).

120331271 is an equidigital number, since it uses as much as digits as its factorization.

120331271 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 252, while the sum is 20.

The square root of 120331271 is about 10969.5611124602. The cubic root of 120331271 is about 493.6958781461.

Adding to 120331271 its reverse (172133021), we get a palindrome (292464292).

The spelling of 120331271 in words is "one hundred twenty million, three hundred thirty-one thousand, two hundred seventy-one".