231321011021300 has 72 divisors (see below), whose sum is σ = 502187078699040. Its totient is φ = 92487768912000.

The previous prime is 231321011021279. The next prime is 231321011021327. The reversal of 231321011021300 is 3120110123132.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (20).

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, 3208255250 + ... + 3208327350.

Almost surely, 2^{231321011021300} is an apocalyptic number.

231321011021300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

231321011021300 is an abundant number, since it is smaller than the sum of its proper divisors (270866067677740).

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

231321011021300 is a wasteful number, since it uses less digits than its factorization.

231321011021300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85761 (or 85754 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 231321011021300 its reverse (3120110123132), we get a palindrome (234441121144432).

The spelling of 231321011021300 in words is "two hundred thirty-one trillion, three hundred twenty-one billion, eleven million, twenty-one thousand, three hundred".