1310322002220 has 144 divisors (see below), whose sum is σ = 4955399624448. Its totient is φ = 272274698880.

The previous prime is 1310322002219. The next prime is 1310322002267. The reversal of 1310322002220 is 222002230131.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 1310322002193 and 1310322002202.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 47256054 + ... + 47283773.

It is an arithmetic number, because the mean of its divisors is an integer number (34412497392).

Almost surely, 2^{1310322002220} is an apocalyptic number.

1310322002220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1310322002220 is an abundant number, since it is smaller than the sum of its proper divisors (3645077622228).

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

1310322002220 is a wasteful number, since it uses less digits than its factorization.

1310322002220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94539860 (or 94539855 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 1310322002220 its reverse (222002230131), we get a palindrome (1532324232351).

The spelling of 1310322002220 in words is "one trillion, three hundred ten billion, three hundred twenty-two million, two thousand, two hundred twenty".