323131010100 has 144 divisors (see below), whose sum is σ = 952228095168. Its totient is φ = 84586844160.

The previous prime is 323131010057. The next prime is 323131010113. The reversal of 323131010100 is 1010131323.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 323131010100.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3867972 + ... + 3950628.

Almost surely, 2^323131010100 is an apocalyptic number.

323131010100 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 323131010100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (476114047584).

323131010100 is an abundant number, since it is smaller than the sum of its proper divisors (629097085068).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

323131010100 is a wasteful number, since it uses less digits than its factorization.

323131010100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82914 (or 82907 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 15.

Adding to 323131010100 its reverse (1010131323), we get a palindrome (324141141423).

The spelling of 323131010100 in words is "three hundred twenty-three billion, one hundred thirty-one million, ten thousand, one hundred".