323131009988 has 6 divisors (see below), whose sum is σ = 565479267486. Its totient is φ = 161565504992.

The previous prime is 323131009897. The next prime is 323131010003. The reversal of 323131009988 is 889900131323.

It can be written as a sum of positive squares in only one way, i.e., 254024064064 + 69106945924 = 504008^2 + 262882^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40391376245 + ... + 40391376252.

It is an arithmetic number, because the mean of its divisors is an integer number (94246544581).

Almost surely, 2^323131009988 is an apocalyptic number.

It is an amenable number.

323131009988 is a deficient number, since it is larger than the sum of its proper divisors (242348257498).

323131009988 is a wasteful number, since it uses less digits than its factorization.

323131009988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80782752501 (or 80782752499 counting only the distinct ones).

The product of its (nonzero) digits is 279936, while the sum is 47.

The spelling of 323131009988 in words is "three hundred twenty-three billion, one hundred thirty-one million, nine thousand, nine hundred eighty-eight".