1320031243310 has 48 divisors (see below), whose sum is σ = 2644035615648. Its totient is φ = 471673650240.

The previous prime is 1320031243309. The next prime is 1320031243331. The reversal of 1320031243310 is 133421300231.

It is a super-2 number, since 2×1320031243310² (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 23 ways as a sum of consecutive naturals, for example, 5158154 + ... + 5408013.

It is an arithmetic number, because the mean of its divisors is an integer number (55084075326).

Almost surely, 2^{1320031243310} is an apocalyptic number.

1320031243310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1320031243310 is an abundant number, since it is smaller than the sum of its proper divisors (1324004372338).

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

1320031243310 is a wasteful number, since it uses less digits than its factorization.

1320031243310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10566249 (or 10566218 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 1320031243310 its reverse (133421300231), we get a palindrome (1453452543541).

The spelling of 1320031243310 in words is "one trillion, three hundred twenty billion, thirty-one million, two hundred forty-three thousand, three hundred ten".