312030012331 has 2 divisors, whose sum is σ = 312030012332. Its totient is φ = 312030012330.

The previous prime is 312030012323. The next prime is 312030012439. The reversal of 312030012331 is 133210030213.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 312030012331 - 2³ = 312030012323 is a prime.

It is a super-2 number, since 2×312030012331² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 312030012299 and 312030012308.

It is not a weakly prime, because it can be changed into another prime (312030012031) 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, 156015006165 + 156015006166.

It is an arithmetic number, because the mean of its divisors is an integer number (156015006166).

Almost surely, 2^312030012331 is an apocalyptic number.

312030012331 is a deficient number, since it is larger than the sum of its proper divisors (1).

312030012331 is an equidigital number, since it uses as much as digits as its factorization.

312030012331 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 312030012331 its reverse (133210030213), we get a palindrome (445240042544).

The spelling of 312030012331 in words is "three hundred twelve billion, thirty million, twelve thousand, three hundred thirty-one".