312030131202001 has 4 divisors (see below), whose sum is σ = 312030198036900. Its totient is φ = 312030064367104.

The previous prime is 312030131201927. The next prime is 312030131202071. The reversal of 312030131202001 is 100202131030213.

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

It can be written as a sum of positive squares in 2 ways, for example, as 177117236931600 + 134912894270401 = 13308540^2 + 11615201^2 .

It is a cyclic number.

It is not a de Polignac number, because 312030131202001 - 2¹⁵ = 312030131169233 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 312030131202001.

It is not an unprimeable number, because it can be changed into a prime (312030131202071) 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, 25842016 + ... + 35942593.

It is an arithmetic number, because the mean of its divisors is an integer number (78007549509225).

Almost surely, 2^{312030131202001} is an apocalyptic number.

It is an amenable number.

312030131202001 is a deficient number, since it is larger than the sum of its proper divisors (66834899).

312030131202001 is an equidigital number, since it uses as much as digits as its factorization.

312030131202001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66834898.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 312030131202001 its reverse (100202131030213), we get a palindrome (412232262232214).

The spelling of 312030131202001 in words is "three hundred twelve trillion, thirty billion, one hundred thirty-one million, two hundred two thousand, one".