1321003331030 has 32 divisors (see below), whose sum is σ = 2385103462560. Its totient is φ = 526779993600.

The previous prime is 1321003330991. The next prime is 1321003331113. The reversal of 1321003331030 is 301333001231.

It is a junction number, because it is equal to n+sod(n) for n = 1321003330993 and 1321003331011.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 61663661 + ... + 61685079.

It is an arithmetic number, because the mean of its divisors is an integer number (74534483205).

Almost surely, 2^{1321003331030} is an apocalyptic number.

1321003331030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1321003331030 is a deficient number, since it is larger than the sum of its proper divisors (1064100131530).

1321003331030 is a wasteful number, since it uses less digits than its factorization.

1321003331030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40064.

The product of its (nonzero) digits is 486, while the sum is 20.

Adding to 1321003331030 its reverse (301333001231), we get a palindrome (1622336332261).

The spelling of 1321003331030 in words is "one trillion, three hundred twenty-one billion, three million, three hundred thirty-one thousand, thirty".