311311355045 has 8 divisors (see below), whose sum is σ = 379149352224. Its totient is φ = 245331933264.

The previous prime is 311311354987. The next prime is 311311355081. The reversal of 311311355045 is 540553113113.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 311311355045 - 2¹² = 311311350949 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 464643479 + ... + 464644148.

It is an arithmetic number, because the mean of its divisors is an integer number (47393669028).

Almost surely, 2^311311355045 is an apocalyptic number.

It is an amenable number.

311311355045 is a deficient number, since it is larger than the sum of its proper divisors (67837997179).

311311355045 is an equidigital number, since it uses as much as digits as its factorization.

311311355045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 929287699.

The product of its (nonzero) digits is 13500, while the sum is 32.

Adding to 311311355045 its reverse (540553113113), we get a palindrome (851864468158).

The spelling of 311311355045 in words is "three hundred eleven billion, three hundred eleven million, three hundred fifty-five thousand, forty-five".