120313020031 has 2 divisors, whose sum is σ = 120313020032. Its totient is φ = 120313020030.

The previous prime is 120313020013. The next prime is 120313020101. The reversal of 120313020031 is 130020313021.

Together with previous prime (120313020013) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 120313020031 - 2⁷ = 120313019903 is a prime.

It is a super-2 number, since 2×120313020031² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 120313019987 and 120313020014.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120313020001) 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, 60156510015 + 60156510016.

It is an arithmetic number, because the mean of its divisors is an integer number (60156510016).

Almost surely, 2^120313020031 is an apocalyptic number.

120313020031 is a deficient number, since it is larger than the sum of its proper divisors (1).

120313020031 is an equidigital number, since it uses as much as digits as its factorization.

120313020031 is an odious number, because the sum of its binary digits is odd.

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

Adding to 120313020031 its reverse (130020313021), we get a palindrome (250333333052).

The spelling of 120313020031 in words is "one hundred twenty billion, three hundred thirteen million, twenty thousand, thirty-one".