31134513988547 has 2 divisors, whose sum is σ = 31134513988548. Its totient is φ = 31134513988546.

The previous prime is 31134513988481. The next prime is 31134513988583. The reversal of 31134513988547 is 74588931543113.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 31134513988547 - 2³⁴ = 31117334119363 is a prime.

It is a super-2 number, since 2×31134513988547² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 31134513988547.

It is not a weakly prime, because it can be changed into another prime (31134513988247) 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 as a sum of consecutive naturals, namely, 15567256994273 + 15567256994274.

It is an arithmetic number, because the mean of its divisors is an integer number (15567256994274).

Almost surely, 2^{31134513988547} is an apocalyptic number.

31134513988547 is a deficient number, since it is larger than the sum of its proper divisors (1).

31134513988547 is an equidigital number, since it uses as much as digits as its factorization.

31134513988547 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 43545600, while the sum is 62.

The spelling of 31134513988547 in words is "thirty-one trillion, one hundred thirty-four billion, five hundred thirteen million, nine hundred eighty-eight thousand, five hundred forty-seven".