120201031 has 2 divisors, whose sum is σ = 120201032. Its totient is φ = 120201030.

The previous prime is 120201023. The next prime is 120201041. The reversal of 120201031 is 130102021.

It is an a-pointer prime, because the next prime (120201041) can be obtained adding 120201031 to its sum of digits (10).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 120201031 - 2³ = 120201023 is a prime.

It is a super-2 number, since 2×120201031² = 28896575706925922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 120200999 and 120201017.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120201041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60100515 + 60100516.

It is an arithmetic number, because the mean of its divisors is an integer number (60100516).

Almost surely, 2^120201031 is an apocalyptic number.

120201031 is a deficient number, since it is larger than the sum of its proper divisors (1).

120201031 is an equidigital number, since it uses as much as digits as its factorization.

120201031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12, while the sum is 10.

The square root of 120201031 is about 10963.6230781617. The cubic root of 120201031 is about 493.5176973555.

Adding to 120201031 its reverse (130102021), we get a palindrome (250303052).

The spelling of 120201031 in words is "one hundred twenty million, two hundred one thousand, thirty-one".