1331220002330 has 16 divisors (see below), whose sum is σ = 2398242307104. Its totient is φ = 532033266960.

The previous prime is 1331220002309. The next prime is 1331220002393. The reversal of 1331220002330 is 332000221331.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56829452 + ... + 56852871.

It is an arithmetic number, because the mean of its divisors is an integer number (149890144194).

Almost surely, 2^{1331220002330} is an apocalyptic number.

1331220002330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1331220002330 is a deficient number, since it is larger than the sum of its proper divisors (1067022304774).

1331220002330 is a wasteful number, since it uses less digits than its factorization.

1331220002330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113683501.

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 1331220002330 its reverse (332000221331), we get a palindrome (1663220223661).

The spelling of 1331220002330 in words is "one trillion, three hundred thirty-one billion, two hundred twenty million, two thousand, three hundred thirty".