311713654245 has 16 divisors (see below), whose sum is σ = 569990682240. Its totient is φ = 142497670464.

The previous prime is 311713654243. The next prime is 311713654249. The reversal of 311713654245 is 542456317113.

It is a happy number.

It is not a de Polignac number, because 311713654245 - 2¹ = 311713654243 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 311713654197 and 311713654206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (311713654243) 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 15 ways as a sum of consecutive naturals, for example, 1484350630 + ... + 1484350839.

It is an arithmetic number, because the mean of its divisors is an integer number (35624417640).

Almost surely, 2^311713654245 is an apocalyptic number.

311713654245 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

311713654245 is a deficient number, since it is larger than the sum of its proper divisors (258277027995).

311713654245 is a wasteful number, since it uses less digits than its factorization.

311713654245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2968701484.

The product of its digits is 302400, while the sum is 42.

The spelling of 311713654245 in words is "three hundred eleven billion, seven hundred thirteen million, six hundred fifty-four thousand, two hundred forty-five".