311748653401 has 8 divisors (see below), whose sum is σ = 315282464640. Its totient is φ = 308227092048.

The previous prime is 311748653393. The next prime is 311748653449. The reversal of 311748653401 is 104356847113.

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 311748653401 - 2³ = 311748653393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (311748633401) by changing a digit.

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, 3011281 + ... + 3113086.

It is an arithmetic number, because the mean of its divisors is an integer number (39410308080).

Almost surely, 2^311748653401 is an apocalyptic number.

It is an amenable number.

311748653401 is a deficient number, since it is larger than the sum of its proper divisors (3533811239).

311748653401 is a wasteful number, since it uses less digits than its factorization.

311748653401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6124943.

The product of its (nonzero) digits is 241920, while the sum is 43.

The spelling of 311748653401 in words is "three hundred eleven billion, seven hundred forty-eight million, six hundred fifty-three thousand, four hundred one".