311445415045 has 4 divisors (see below), whose sum is σ = 373734498060. Its totient is φ = 249156332032.

The previous prime is 311445414937. The next prime is 311445415049. The reversal of 311445415045 is 540514544113.

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 135483622561 + 175961792484 = 368081^2 + 419478^2 .

It is a cyclic number.

It is not a de Polignac number, because 311445415045 - 2¹¹ = 311445412997 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 311445414995 and 311445415013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (311445415049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31144541500 + ... + 31144541509.

It is an arithmetic number, because the mean of its divisors is an integer number (93433624515).

Almost surely, 2^311445415045 is an apocalyptic number.

It is an amenable number.

311445415045 is a deficient number, since it is larger than the sum of its proper divisors (62289083015).

311445415045 is an equidigital number, since it uses as much as digits as its factorization.

311445415045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62289083014.

The product of its (nonzero) digits is 96000, while the sum is 37.

Adding to 311445415045 its reverse (540514544113), we get a palindrome (851959959158).

The spelling of 311445415045 in words is "three hundred eleven billion, four hundred forty-five million, four hundred fifteen thousand, forty-five".