1310321112 has 32 divisors (see below), whose sum is σ = 3351986880. Its totient is φ = 426615840.

The previous prime is 1310321107. The next prime is 1310321119. The reversal of 1310321112 is 2111230131.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1310321091 and 1310321100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1310321119) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 633814 + ... + 635877.

It is an arithmetic number, because the mean of its divisors is an integer number (104749590).

Almost surely, 2^1310321112 is an apocalyptic number.

1310321112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1310321112 is an abundant number, since it is smaller than the sum of its proper divisors (2041665768).

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

1310321112 is a wasteful number, since it uses less digits than its factorization.

1310321112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1269743 (or 1269739 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 15.

The square root of 1310321112 is about 36198.3578633065. The cubic root of 1310321112 is about 1094.2735775381.

Adding to 1310321112 its reverse (2111230131), we get a palindrome (3421551243).

The spelling of 1310321112 in words is "one billion, three hundred ten million, three hundred twenty-one thousand, one hundred twelve".