323312156131 has 8 divisors (see below), whose sum is σ = 334471932000. Its totient is φ = 312153119040.

The previous prime is 323312156081. The next prime is 323312156147. The reversal of 323312156131 is 131651213323.

It is a happy number.

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 323312156131 - 2⁹ = 323312155619 is a prime.

It is a super-2 number, since 2×323312156131² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 323312156093 and 323312156102.

It is not an unprimeable number, because it can be changed into a prime (323312151131) 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, 793570 + ... + 1129768.

It is an arithmetic number, because the mean of its divisors is an integer number (41808991500).

Almost surely, 2^323312156131 is an apocalyptic number.

323312156131 is a deficient number, since it is larger than the sum of its proper divisors (11159775869).

323312156131 is a wasteful number, since it uses less digits than its factorization.

323312156131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 369389.

The product of its digits is 9720, while the sum is 31.

Adding to 323312156131 its reverse (131651213323), we get a palindrome (454963369454).

The spelling of 323312156131 in words is "three hundred twenty-three billion, three hundred twelve million, one hundred fifty-six thousand, one hundred thirty-one".