1331313220310 has 32 divisors (see below), whose sum is σ = 2408619468960. Its totient is φ = 529808318208.

The previous prime is 1331313220309. The next prime is 1331313220333. The reversal of 1331313220310 is 130223131331.

It is a super-2 number, since 2×1331313220310² (a number of 25 digits) contains 22 as substring.

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, 1230356 + ... + 2043624.

It is an arithmetic number, because the mean of its divisors is an integer number (75269358405).

Almost surely, 2^{1331313220310} is an apocalyptic number.

1331313220310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1331313220310 is a deficient number, since it is larger than the sum of its proper divisors (1077306248650).

1331313220310 is a wasteful number, since it uses less digits than its factorization.

1331313220310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 814112.

The product of its (nonzero) digits is 972, while the sum is 23.

Adding to 1331313220310 its reverse (130223131331), we get a palindrome (1461536351641).

The spelling of 1331313220310 in words is "one trillion, three hundred thirty-one billion, three hundred thirteen million, two hundred twenty thousand, three hundred ten".