31303743114517 has 32 divisors (see below), whose sum is σ = 32543662694400. Its totient is φ = 30089033960832.

The previous prime is 31303743114509. The next prime is 31303743114571. The reversal of 31303743114517 is 71541134730313.

It is a cyclic number.

It is not a de Polignac number, because 31303743114517 - 2³ = 31303743114509 is a prime.

It is a super-2 number, since 2×31303743114517² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31303743184517) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7350019734 + ... + 7350023992.

It is an arithmetic number, because the mean of its divisors is an integer number (1016989459200).

Almost surely, 2^{31303743114517} is an apocalyptic number.

It is an amenable number.

31303743114517 is a deficient number, since it is larger than the sum of its proper divisors (1239919579883).

31303743114517 is a wasteful number, since it uses less digits than its factorization.

31303743114517 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9097.

The product of its (nonzero) digits is 317520, while the sum is 43.

The spelling of 31303743114517 in words is "thirty-one trillion, three hundred three billion, seven hundred forty-three million, one hundred fourteen thousand, five hundred seventeen".