120202030031 has 2 divisors, whose sum is σ = 120202030032. Its totient is φ = 120202030030.

The previous prime is 120202029973. The next prime is 120202030049. The reversal of 120202030031 is 130030202021.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 120202030031 - 2¹⁰ = 120202029007 is a prime.

It is a super-2 number, since 2×120202030031² (a number of 23 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 120202029988 and 120202030015.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120202000031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60101015015 + 60101015016.

It is an arithmetic number, because the mean of its divisors is an integer number (60101015016).

Almost surely, 2^120202030031 is an apocalyptic number.

120202030031 is a deficient number, since it is larger than the sum of its proper divisors (1).

120202030031 is an equidigital number, since it uses as much as digits as its factorization.

120202030031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 120202030031 its reverse (130030202021), we get a palindrome (250232232052).

The spelling of 120202030031 in words is "one hundred twenty billion, two hundred two million, thirty thousand, thirty-one".