120240024240031 has 2 divisors, whose sum is σ = 120240024240032. Its totient is φ = 120240024240030.

The previous prime is 120240024239947. The next prime is 120240024240121. The reversal of 120240024240031 is 130042420042021.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 120240024240031 - 2⁷ = 120240024239903 is a prime.

It is a super-2 number, since 2×120240024240031² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 120240024239978 and 120240024240005.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120240024240431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60120012120015 + 60120012120016.

It is an arithmetic number, because the mean of its divisors is an integer number (60120012120016).

Almost surely, 2^{120240024240031} is an apocalyptic number.

120240024240031 is a deficient number, since it is larger than the sum of its proper divisors (1).

120240024240031 is an equidigital number, since it uses as much as digits as its factorization.

120240024240031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 120240024240031 its reverse (130042420042021), we get a palindrome (250282444282052).

The spelling of 120240024240031 in words is "one hundred twenty trillion, two hundred forty billion, twenty-four million, two hundred forty thousand, thirty-one".