1231100020300 has 36 divisors (see below), whose sum is σ = 2672445515040. Its totient is φ = 492263331520.

The previous prime is 1231100020279. The next prime is 1231100020321. The reversal of 1231100020300 is 30200011321.

It is an interprime number because it is at equal distance from previous prime (1231100020279) and next prime (1231100020321).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1928164 + ... + 2485963.

It is an arithmetic number, because the mean of its divisors is an integer number (74234597640).

Almost surely, 2^{1231100020300} is an apocalyptic number.

1231100020300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1231100020300 is an abundant number, since it is smaller than the sum of its proper divisors (1441345494740).

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

1231100020300 is a wasteful number, since it uses less digits than its factorization.

1231100020300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4416930 (or 4416923 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 13.

Adding to 1231100020300 its reverse (30200011321), we get a palindrome (1261300031621).

The spelling of 1231100020300 in words is "one trillion, two hundred thirty-one billion, one hundred million, twenty thousand, three hundred".