1031231220200 has 48 divisors (see below), whose sum is σ = 2453371039680. Its totient is φ = 402899636160.

The previous prime is 1031231220101. The next prime is 1031231220263. The reversal of 1031231220200 is 20221321301.

It is a super-3 number, since 3×1031231220200³ (a number of 37 digits) contains 333 as substring.

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, 59946704 + ... + 59963903.

It is an arithmetic number, because the mean of its divisors is an integer number (51111896660).

Almost surely, 2^{1031231220200} is an apocalyptic number.

1031231220200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1031231220200 is an abundant number, since it is smaller than the sum of its proper divisors (1422139819480).

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

1031231220200 is a wasteful number, since it uses less digits than its factorization.

1031231220200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119910666 (or 119910657 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 1031231220200 its reverse (20221321301), we get a palindrome (1051452541501).

The spelling of 1031231220200 in words is "one trillion, thirty-one billion, two hundred thirty-one million, two hundred twenty thousand, two hundred".