675215130631 has 4 divisors (see below), whose sum is σ = 675293991832. Its totient is φ = 675136269432.

The previous prime is 675215130589. The next prime is 675215130659. The reversal of 675215130631 is 136031512576.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 675215130631 - 2¹⁷ = 675214999559 is a prime.

It is a super-3 number, since 3×675215130631³ (a number of 36 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (675215130431) 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 3 ways as a sum of consecutive naturals, for example, 39417756 + ... + 39434881.

It is an arithmetic number, because the mean of its divisors is an integer number (168823497958).

Almost surely, 2^675215130631 is an apocalyptic number.

675215130631 is a deficient number, since it is larger than the sum of its proper divisors (78861201).

675215130631 is an equidigital number, since it uses as much as digits as its factorization.

675215130631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78861200.

The product of its (nonzero) digits is 113400, while the sum is 40.

The spelling of 675215130631 in words is "six hundred seventy-five billion, two hundred fifteen million, one hundred thirty thousand, six hundred thirty-one".