1310322332220 has 48 divisors (see below), whose sum is σ = 4002439125888. Its totient is φ = 317653898560.

The previous prime is 1310322332173. The next prime is 1310322332227. The reversal of 1310322332220 is 222332230131.

It is a super-2 number, since 2×1310322332220² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1310322332227) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 992667774 + ... + 992669093.

It is an arithmetic number, because the mean of its divisors is an integer number (83384148456).

Almost surely, 2^{1310322332220} is an apocalyptic number.

1310322332220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1310322332220 is an abundant number, since it is smaller than the sum of its proper divisors (2692116793668).

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

1310322332220 is a wasteful number, since it uses less digits than its factorization.

1310322332220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1985336890 (or 1985336888 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 1310322332220 its reverse (222332230131), we get a palindrome (1532654562351).

The spelling of 1310322332220 in words is "one trillion, three hundred ten billion, three hundred twenty-two million, three hundred thirty-two thousand, two hundred twenty".