312030131201611 has 2 divisors, whose sum is σ = 312030131201612. Its totient is φ = 312030131201610.

The previous prime is 312030131201543. The next prime is 312030131201623. The reversal of 312030131201611 is 116102131030213.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 312030131201611 - 2²¹ = 312030129104459 is a prime.

It is not a weakly prime, because it can be changed into another prime (312030131201911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156015065600805 + 156015065600806.

It is an arithmetic number, because the mean of its divisors is an integer number (156015065600806).

Almost surely, 2^{312030131201611} is an apocalyptic number.

312030131201611 is a deficient number, since it is larger than the sum of its proper divisors (1).

312030131201611 is an equidigital number, since it uses as much as digits as its factorization.

312030131201611 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 25.

Adding to 312030131201611 its reverse (116102131030213), we get a palindrome (428132262231824).

The spelling of 312030131201611 in words is "three hundred twelve trillion, thirty billion, one hundred thirty-one million, two hundred one thousand, six hundred eleven".