312322220001403 has 4 divisors (see below), whose sum is σ = 320763361082560. Its totient is φ = 303881078920248.

The previous prime is 312322220001391. The next prime is 312322220001457. The reversal of 312322220001403 is 304100022223213.

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 312322220001403 - 2²¹ = 312322217904251 is a prime.

It is a super-2 number, since 2×312322220001403² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (312322220101403) 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, 4220570540523 + ... + 4220570540596.

It is an arithmetic number, because the mean of its divisors is an integer number (80190840270640).

Almost surely, 2^{312322220001403} is an apocalyptic number.

312322220001403 is a deficient number, since it is larger than the sum of its proper divisors (8441141081157).

312322220001403 is an equidigital number, since it uses as much as digits as its factorization.

312322220001403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8441141081156.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 312322220001403 its reverse (304100022223213), we get a palindrome (616422242224616).

The spelling of 312322220001403 in words is "three hundred twelve trillion, three hundred twenty-two billion, two hundred twenty million, one thousand, four hundred three".