1310223321 has 24 divisors (see below), whose sum is σ = 2071239456. Its totient is φ = 791519040.

The previous prime is 1310223307. The next prime is 1310223353. The reversal of 1310223321 is 1233220131.

1310223321 is a `hidden beast` number, since 1 + 310 + 22 + 332 + 1 = 666.

It is not a de Polignac number, because 1310223321 - 2¹¹ = 1310221273 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1310223294 and 1310223303.

It is not an unprimeable number, because it can be changed into a prime (1310223301) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9846 + ... + 52128.

It is an arithmetic number, because the mean of its divisors is an integer number (86301644).

Almost surely, 2^1310223321 is an apocalyptic number.

1310223321 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1310223321 is a deficient number, since it is larger than the sum of its proper divisors (761016135).

1310223321 is a wasteful number, since it uses less digits than its factorization.

1310223321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42613 (or 42610 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 1310223321 is about 36197.0070724086. The cubic root of 1310223321 is about 1094.2463544988.

Adding to 1310223321 its reverse (1233220131), we get a palindrome (2543443452).

The spelling of 1310223321 in words is "one billion, three hundred ten million, two hundred twenty-three thousand, three hundred twenty-one".