323131230029 has 4 divisors (see below), whose sum is σ = 325489852284. Its totient is φ = 320772607776.

The previous prime is 323131230013. The next prime is 323131230083. The reversal of 323131230029 is 920032131323.

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

It can be written as a sum of positive squares in 2 ways, for example, as 264808014025 + 58323216004 = 514595^2 + 241502^2 .

It is a cyclic number.

It is not a de Polignac number, because 323131230029 - 2⁴ = 323131230013 is a prime.

It is a super-2 number, since 2×323131230029² (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 = 323131229983 and 323131230010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (323131430029) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1179310922 + ... + 1179311195.

It is an arithmetic number, because the mean of its divisors is an integer number (81372463071).

Almost surely, 2^323131230029 is an apocalyptic number.

It is an amenable number.

323131230029 is a deficient number, since it is larger than the sum of its proper divisors (2358622255).

323131230029 is a wasteful number, since it uses less digits than its factorization.

323131230029 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2358622254.

The product of its (nonzero) digits is 5832, while the sum is 29.

The spelling of 323131230029 in words is "three hundred twenty-three billion, one hundred thirty-one million, two hundred thirty thousand, twenty-nine".