1312113321032 has 8 divisors (see below), whose sum is σ = 2460212476950. Its totient is φ = 656056660512.

The previous prime is 1312113321019. The next prime is 1312113321047. The reversal of 1312113321032 is 2301233112131.

It can be written as a sum of positive squares in only one way, i.e., 1164400697476 + 147712623556 = 1079074^2 + 384334^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 1312113320989 and 1312113321007.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82007082557 + ... + 82007082572.

Almost surely, 2^{1312113321032} is an apocalyptic number.

It is an amenable number.

1312113321032 is a deficient number, since it is larger than the sum of its proper divisors (1148099155918).

1312113321032 is a wasteful number, since it uses less digits than its factorization.

1312113321032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164014165135 (or 164014165131 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 1312113321032 its reverse (2301233112131), we get a palindrome (3613346433163).

The spelling of 1312113321032 in words is "one trillion, three hundred twelve billion, one hundred thirteen million, three hundred twenty-one thousand, thirty-two".