1313221011330 has 32 divisors (see below), whose sum is σ = 3288762186624. Its totient is φ = 334966518656.

The previous prime is 1313221011293. The next prime is 1313221011373. The reversal of 1313221011330 is 331101223131.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1313221011297 and 1313221011306.

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, 951608739 + ... + 951610118.

It is an arithmetic number, because the mean of its divisors is an integer number (102773818332).

Almost surely, 2^{1313221011330} is an apocalyptic number.

1313221011330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1313221011330 is an abundant number, since it is smaller than the sum of its proper divisors (1975541175294).

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

1313221011330 is a wasteful number, since it uses less digits than its factorization.

1313221011330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1903218890.

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 1313221011330 its reverse (331101223131), we get a palindrome (1644322234461).

The spelling of 1313221011330 in words is "one trillion, three hundred thirteen billion, two hundred twenty-one million, eleven thousand, three hundred thirty".