311430310002001 has 4 divisors (see below), whose sum is σ = 319026171221604. Its totient is φ = 303834448782400.

The previous prime is 311430310001933. The next prime is 311430310002047. The reversal of 311430310002001 is 100200013034113.

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 79064462912400 + 232365847089601 = 8891820^2 + 15243551^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-311430310002001 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 311430310002001.

It is not an unprimeable number, because it can be changed into a prime (311430310032001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3797930609740 + ... + 3797930609821.

It is an arithmetic number, because the mean of its divisors is an integer number (79756542805401).

Almost surely, 2^{311430310002001} is an apocalyptic number.

It is an amenable number.

311430310002001 is a deficient number, since it is larger than the sum of its proper divisors (7595861219603).

311430310002001 is an equidigital number, since it uses as much as digits as its factorization.

311430310002001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7595861219602.

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

Adding to 311430310002001 its reverse (100200013034113), we get a palindrome (411630323036114).

The spelling of 311430310002001 in words is "three hundred eleven trillion, four hundred thirty billion, three hundred ten million, two thousand, one".