1312081032 has 32 divisors (see below), whose sum is σ = 3281803200. Its totient is φ = 437146944.

The previous prime is 1312081031. The next prime is 1312081039. The reversal of 1312081032 is 2301802131.

It is not an unprimeable number, because it can be changed into a prime (1312081031) 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, 41469 + ... + 65907.

It is an arithmetic number, because the mean of its divisors is an integer number (102556350).

Almost surely, 2^1312081032 is an apocalyptic number.

1312081032 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1312081032 is an abundant number, since it is smaller than the sum of its proper divisors (1969722168).

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

1312081032 is a wasteful number, since it uses less digits than its factorization.

1312081032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26685 (or 26681 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 21.

The square root of 1312081032 is about 36222.6590962066. The cubic root of 1312081032 is about 1094.7632723593.

Adding to 1312081032 its reverse (2301802131), we get a palindrome (3613883163).

The spelling of 1312081032 in words is "one billion, three hundred twelve million, eighty-one thousand, thirty-two".