312021430130413 has 2 divisors, whose sum is σ = 312021430130414. Its totient is φ = 312021430130412.

The previous prime is 312021430130407. The next prime is 312021430130503. The reversal of 312021430130413 is 314031034120213.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 262864546757604 + 49156883372809 = 16213098^2 + 7011197^2 .

It is a cyclic number.

It is not a de Polignac number, because 312021430130413 - 2⁵ = 312021430130381 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (312021430130713) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156010715065206 + 156010715065207.

It is an arithmetic number, because the mean of its divisors is an integer number (156010715065207).

Almost surely, 2^{312021430130413} is an apocalyptic number.

It is an amenable number.

312021430130413 is a deficient number, since it is larger than the sum of its proper divisors (1).

312021430130413 is an equidigital number, since it uses as much as digits as its factorization.

312021430130413 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5184, while the sum is 28.

Adding to 312021430130413 its reverse (314031034120213), we get a palindrome (626052464250626).

The spelling of 312021430130413 in words is "three hundred twelve trillion, twenty-one billion, four hundred thirty million, one hundred thirty thousand, four hundred thirteen".