311754960045 has 24 divisors (see below), whose sum is σ = 540394368696. Its totient is φ = 166263433728.

The previous prime is 311754960001. The next prime is 311754960059. The reversal of 311754960045 is 540069457113.

311754960045 is a `hidden beast` number, since 3 + 1 + 1 + 7 + 549 + 60 + 0 + 45 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 67981697289 + 243773262756 = 260733^2 + 493734^2 .

It is not a de Polignac number, because 311754960045 - 2¹² = 311754955949 is a prime.

It is a super-2 number, since 2×311754960045² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 1362337 + ... + 1574633.

It is an arithmetic number, because the mean of its divisors is an integer number (22516432029).

Almost surely, 2^311754960045 is an apocalyptic number.

It is an amenable number.

311754960045 is a deficient number, since it is larger than the sum of its proper divisors (228639408651).

311754960045 is a wasteful number, since it uses less digits than its factorization.

311754960045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244941 (or 244938 counting only the distinct ones).

The product of its (nonzero) digits is 453600, while the sum is 45.

It can be divided in two parts, 31175 and 4960045, that added together give a triangular number (4991220 = T₃₁₅₉).

The spelling of 311754960045 in words is "three hundred eleven billion, seven hundred fifty-four million, nine hundred sixty thousand, forty-five".