231320012300 has 72 divisors (see below), whose sum is σ = 547090306896. Its totient is φ = 84381384960.

The previous prime is 231320012293. The next prime is 231320012309. The reversal of 231320012300 is 3210023132.

It is not an unprimeable number, because it can be changed into a prime (231320012309) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 964019 + ... + 1179818.

Almost surely, 2^231320012300 is an apocalyptic number.

231320012300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

231320012300 is an abundant number, since it is smaller than the sum of its proper divisors (315770294596).

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

231320012300 is a wasteful number, since it uses less digits than its factorization.

231320012300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2143947 (or 2143940 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 231320012300 its reverse (3210023132), we get a palindrome (234530035432).

The spelling of 231320012300 in words is "two hundred thirty-one billion, three hundred twenty million, twelve thousand, three hundred".