120323131 has 2 divisors, whose sum is σ = 120323132. Its totient is φ = 120323130.

The previous prime is 120323129. The next prime is 120323141. The reversal of 120323131 is 131323021.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 120323131 - 2¹ = 120323129 is a prime.

It is a super-2 number, since 2×120323131² = 28955311707286322, which contains 22 as substring.

Together with 120323129, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (120323111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60161565 + 60161566.

It is an arithmetic number, because the mean of its divisors is an integer number (60161566).

Almost surely, 2^120323131 is an apocalyptic number.

120323131 is a deficient number, since it is larger than the sum of its proper divisors (1).

120323131 is an equidigital number, since it uses as much as digits as its factorization.

120323131 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 120323131 is about 10969.1900794908. The cubic root of 120323131 is about 493.6847456144.

Adding to 120323131 its reverse (131323021), we get a palindrome (251646152).

The spelling of 120323131 in words is "one hundred twenty million, three hundred twenty-three thousand, one hundred thirty-one".