323010039781 has 12 divisors (see below), whose sum is σ = 382355179276. Its totient is φ = 271057374720.

The previous prime is 323010039763. The next prime is 323010039787. The reversal of 323010039781 is 187930010323.

It can be written as a sum of positive squares in 2 ways, for example, as 59472576900 + 263537462881 = 243870^2 + 513359^2 .

It is a de Polignac number, because none of the positive numbers 2^k-323010039781 is a prime.

It is a super-2 number, since 2×323010039781² (a number of 24 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 323010039781.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (323010039787) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 102671676 + ... + 102674821.

Almost surely, 2^323010039781 is an apocalyptic number.

It is an amenable number.

323010039781 is a deficient number, since it is larger than the sum of its proper divisors (59345139495).

323010039781 is a wasteful number, since it uses less digits than its factorization.

323010039781 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205346532 (or 205346521 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 37.

The spelling of 323010039781 in words is "three hundred twenty-three billion, ten million, thirty-nine thousand, seven hundred eighty-one".