120315210031 has 2 divisors, whose sum is σ = 120315210032. Its totient is φ = 120315210030.

The previous prime is 120315209983. The next prime is 120315210053. The reversal of 120315210031 is 130012513021.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 120315210031 - 2²³ = 120306821423 is a prime.

It is a super-2 number, since 2×120315210031² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 120315209990 and 120315210008.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120315210131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60157605015 + 60157605016.

It is an arithmetic number, because the mean of its divisors is an integer number (60157605016).

Almost surely, 2^120315210031 is an apocalyptic number.

120315210031 is a deficient number, since it is larger than the sum of its proper divisors (1).

120315210031 is an equidigital number, since it uses as much as digits as its factorization.

120315210031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 180, while the sum is 19.

Adding to 120315210031 its reverse (130012513021), we get a palindrome (250327723052).

The spelling of 120315210031 in words is "one hundred twenty billion, three hundred fifteen million, two hundred ten thousand, thirty-one".