323157686131 has 6 divisors (see below), whose sum is σ = 375918124740. Its totient is φ = 276992302356.

The previous prime is 323157686077. The next prime is 323157686141. The reversal of 323157686131 is 131686751323.

It is not a de Polignac number, because 323157686131 - 2¹⁷ = 323157555059 is a prime.

It is a super-2 number, since 2×323157686131² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (323157686141) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3297527361 + ... + 3297527458.

It is an arithmetic number, because the mean of its divisors is an integer number (62653020790).

Almost surely, 2^323157686131 is an apocalyptic number.

323157686131 is a deficient number, since it is larger than the sum of its proper divisors (52760438609).

323157686131 is an equidigital number, since it uses as much as digits as its factorization.

323157686131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6595054833 (or 6595054826 counting only the distinct ones).

The product of its digits is 544320, while the sum is 46.

The spelling of 323157686131 in words is "three hundred twenty-three billion, one hundred fifty-seven million, six hundred eighty-six thousand, one hundred thirty-one".