310321012145 has 16 divisors (see below), whose sum is σ = 394303438080. Its totient is φ = 233645639424.

The previous prime is 310321012139. The next prime is 310321012163. The reversal of 310321012145 is 541210123013.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-310321012145 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 310321012145.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4357736 + ... + 4428374.

It is an arithmetic number, because the mean of its divisors is an integer number (24643964880).

Almost surely, 2^310321012145 is an apocalyptic number.

It is an amenable number.

310321012145 is a deficient number, since it is larger than the sum of its proper divisors (83982425935).

310321012145 is a wasteful number, since it uses less digits than its factorization.

310321012145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122344.

The product of its (nonzero) digits is 720, while the sum is 23.

Adding to 310321012145 its reverse (541210123013), we get a palindrome (851531135158).

The spelling of 310321012145 in words is "three hundred ten billion, three hundred twenty-one million, twelve thousand, one hundred forty-five".