312030131201311 has 4 divisors (see below), whose sum is σ = 316687297338712. Its totient is φ = 307372965063912.

The previous prime is 312030131201267. The next prime is 312030131201387. The reversal of 312030131201311 is 113102131030213.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 312030131201311 - 2¹³ = 312030131193119 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312030131201611) 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 in 3 ways as a sum of consecutive naturals, for example, 2328583068600 + ... + 2328583068733.

It is an arithmetic number, because the mean of its divisors is an integer number (79171824334678).

Almost surely, 2^{312030131201311} is an apocalyptic number.

312030131201311 is a deficient number, since it is larger than the sum of its proper divisors (4657166137401).

312030131201311 is an equidigital number, since it uses as much as digits as its factorization.

312030131201311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4657166137400.

The product of its (nonzero) digits is 324, while the sum is 22.

Adding to 312030131201311 its reverse (113102131030213), we get a palindrome (425132262231524).

The spelling of 312030131201311 in words is "three hundred twelve trillion, thirty billion, one hundred thirty-one million, two hundred one thousand, three hundred eleven".