231323303100 has 72 divisors (see below), whose sum is σ = 684860471680. Its totient is φ = 60251647680.

The previous prime is 231323303087. The next prime is 231323303111. The reversal of 231323303100 is 1303323132.

It is a super-2 number, since 2×231323303100² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8953120 + ... + 8978919.

Almost surely, 2^231323303100 is an apocalyptic number.

231323303100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

231323303100 is an abundant number, since it is smaller than the sum of its proper divisors (453537168580).

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

231323303100 is a wasteful number, since it uses less digits than its factorization.

231323303100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17932099 (or 17932092 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 21.

Adding to 231323303100 its reverse (1303323132), we get a palindrome (232626626232).

The spelling of 231323303100 in words is "two hundred thirty-one billion, three hundred twenty-three million, three hundred three thousand, one hundred".