1313232022220 has 24 divisors (see below), whose sum is σ = 2788773624000. Its totient is φ = 519390641792.

The previous prime is 1313232022171. The next prime is 1313232022253. The reversal of 1313232022220 is 222202323131.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 368883620 + ... + 368887179.

It is an arithmetic number, because the mean of its divisors is an integer number (116198901000).

Almost surely, 2^{1313232022220} is an apocalyptic number.

1313232022220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1313232022220 is an abundant number, since it is smaller than the sum of its proper divisors (1475541601780).

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

1313232022220 is a wasteful number, since it uses less digits than its factorization.

1313232022220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 737770897 (or 737770895 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 1313232022220 its reverse (222202323131), we get a palindrome (1535434345351).

The spelling of 1313232022220 in words is "one trillion, three hundred thirteen billion, two hundred thirty-two million, twenty-two thousand, two hundred twenty".