320695079156431 has 8 divisors (see below), whose sum is σ = 368843111970080. Its totient is φ = 273130658862048.

The previous prime is 320695079156401. The next prime is 320695079156437. The reversal of 320695079156431 is 134651970596023.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 320695079156431 - 2¹¹ = 320695079154383 is a prime.

It is a super-2 number, since 2×320695079156431² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 320695079156431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320695079156437) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 145903128636 + ... + 145903130833.

It is an arithmetic number, because the mean of its divisors is an integer number (46105388996260).

Almost surely, 2^{320695079156431} is an apocalyptic number.

320695079156431 is a deficient number, since it is larger than the sum of its proper divisors (48148032813649).

320695079156431 is a wasteful number, since it uses less digits than its factorization.

320695079156431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 291806259633.

The product of its (nonzero) digits is 36741600, while the sum is 61.

The spelling of 320695079156431 in words is "three hundred twenty trillion, six hundred ninety-five billion, seventy-nine million, one hundred fifty-six thousand, four hundred thirty-one".