311420355392 has 14 divisors (see below), whose sum is σ = 617974767858. Its totient is φ = 155710177664.

The previous prime is 311420355341. The next prime is 311420355461. The reversal of 311420355392 is 293553024113.

It can be written as a sum of positive squares in only one way, i.e., 309687798016 + 1732557376 = 556496^2 + 41624^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2432971463 + ... + 2432971590.

It is an arithmetic number, because the mean of its divisors is an integer number (44141054847).

Almost surely, 2^311420355392 is an apocalyptic number.

311420355392 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

311420355392 is a deficient number, since it is larger than the sum of its proper divisors (306554412466).

311420355392 is an equidigital number, since it uses as much as digits as its factorization.

311420355392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4865943065 (or 4865943055 counting only the distinct ones).

The product of its (nonzero) digits is 97200, while the sum is 38.

The spelling of 311420355392 in words is "three hundred eleven billion, four hundred twenty million, three hundred fifty-five thousand, three hundred ninety-two".