1321310111230 has 128 divisors (see below), whose sum is σ = 2613304207872. Its totient is φ = 479034114048.

The previous prime is 1321310111083. The next prime is 1321310111239. The reversal of 1321310111230 is 321110131231.

It is a super-2 number, since 2×1321310111230² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1321310111198 and 1321310111207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1321310111239) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 266551912 + ... + 266556868.

It is an arithmetic number, because the mean of its divisors is an integer number (20416439124).

Almost surely, 2^{1321310111230} is an apocalyptic number.

1321310111230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1321310111230 is a deficient number, since it is larger than the sum of its proper divisors (1291994096642).

1321310111230 is a wasteful number, since it uses less digits than its factorization.

1321310111230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5558.

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 1321310111230 its reverse (321110131231), we get a palindrome (1642420242461).

The spelling of 1321310111230 in words is "one trillion, three hundred twenty-one billion, three hundred ten million, one hundred eleven thousand, two hundred thirty".