120015031 has 2 divisors, whose sum is σ = 120015032. Its totient is φ = 120015030.

The previous prime is 120014969. The next prime is 120015037. The reversal of 120015031 is 130510021.

It is a strong prime.

It is an emirp because it is prime and its reverse (130510021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 120015031 - 2⁷ = 120014903 is a prime.

It is a super-2 number, since 2×120015031² = 28807215331861922, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120015037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60007515 + 60007516.

It is an arithmetic number, because the mean of its divisors is an integer number (60007516).

Almost surely, 2^120015031 is an apocalyptic number.

120015031 is a deficient number, since it is larger than the sum of its proper divisors (1).

120015031 is an equidigital number, since it uses as much as digits as its factorization.

120015031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 30, while the sum is 13.

The square root of 120015031 is about 10955.1371967676. The cubic root of 120015031 is about 493.2630082472.

Adding to 120015031 its reverse (130510021), we get a palindrome (250525052).

The spelling of 120015031 in words is "one hundred twenty million, fifteen thousand, thirty-one".