310320211145 has 16 divisors (see below), whose sum is σ = 425629728000. Its totient is φ = 212767139904.

The previous prime is 310320211127. The next prime is 310320211153. The reversal of 310320211145 is 541112023013.

It is a cyclic number.

It is not a de Polignac number, because 310320211145 - 2¹⁴ = 310320194761 is a prime.

It is a super-2 number, since 2×310320211145² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 310320211145.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 177662 + ... + 807591.

It is an arithmetic number, because the mean of its divisors is an integer number (26601858000).

Almost surely, 2^310320211145 is an apocalyptic number.

310320211145 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

310320211145 is a deficient number, since it is larger than the sum of its proper divisors (115309516855).

310320211145 is an equidigital number, since it uses as much as digits as its factorization.

310320211145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 994264.

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

Adding to 310320211145 its reverse (541112023013), we get a palindrome (851432234158).

The spelling of 310320211145 in words is "three hundred ten billion, three hundred twenty million, two hundred eleven thousand, one hundred forty-five".