311045554313 has 16 divisors (see below), whose sum is σ = 337093962576. Its totient is φ = 285302096640.

The previous prime is 311045554307. The next prime is 311045554373. The reversal of 311045554313 is 313455540113.

It can be written as a sum of positive squares in 8 ways, for example, as 29038886464 + 282006667849 = 170408^2 + 531043^2 .

It is a cyclic number.

It is not a de Polignac number, because 311045554313 - 2⁶ = 311045554249 is a prime.

It is a super-3 number, since 3×311045554313³ (a number of 35 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (311045554373) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4148231 + ... + 4222547.

It is an arithmetic number, because the mean of its divisors is an integer number (21068372661).

Almost surely, 2^311045554313 is an apocalyptic number.

It is an amenable number.

311045554313 is a deficient number, since it is larger than the sum of its proper divisors (26048408263).

311045554313 is a wasteful number, since it uses less digits than its factorization.

311045554313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76364.

The product of its (nonzero) digits is 54000, while the sum is 35.

The spelling of 311045554313 in words is "three hundred eleven billion, forty-five million, five hundred fifty-four thousand, three hundred thirteen".