1200003131330 has 144 divisors (see below), whose sum is σ = 2378423113920. Its totient is φ = 435815677440.

The previous prime is 1200003131321. The next prime is 1200003131407. The reversal of 1200003131330 is 331313000021.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a junction number, because it is equal to n+sod(n) for n = 1200003131299 and 1200003131308.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1396976441 + ... + 1396977299.

It is an arithmetic number, because the mean of its divisors is an integer number (16516827180).

Almost surely, 2^{1200003131330} is an apocalyptic number.

1200003131330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1200003131330 is a deficient number, since it is larger than the sum of its proper divisors (1178419982590).

1200003131330 is a wasteful number, since it uses less digits than its factorization.

1200003131330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1465 (or 1417 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 17.

Adding to 1200003131330 its reverse (331313000021), we get a palindrome (1531316131351).

The spelling of 1200003131330 in words is "one trillion, two hundred billion, three million, one hundred thirty-one thousand, three hundred thirty".