1310223312 has 30 divisors (see below), whose sum is σ = 3666805922. Its totient is φ = 436741056.

The previous prime is 1310223307. The next prime is 1310223353. The reversal of 1310223312 is 2133220131.

1310223312 is a `hidden beast` number, since 1 + 310 + 22 + 331 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 834285456 + 475937856 = 28884^2 + 21816^2 .

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4549243 + ... + 4549530.

Almost surely, 2^1310223312 is an apocalyptic number.

1310223312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1310223312 is an abundant number, since it is smaller than the sum of its proper divisors (2356582610).

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

1310223312 is a wasteful number, since it uses less digits than its factorization.

1310223312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9098787 (or 9098778 counting only the distinct ones).

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

The square root of 1310223312 is about 36197.0069480890. The cubic root of 1310223312 is about 1094.2463519933.

Adding to 1310223312 its reverse (2133220131), we get a palindrome (3443443443).

The spelling of 1310223312 in words is "one billion, three hundred ten million, two hundred twenty-three thousand, three hundred twelve".