1312232003313 has 64 divisors (see below), whose sum is σ = 2255690072064. Its totient is φ = 658531944000.

The previous prime is 1312232003309. The next prime is 1312232003333. The reversal of 1312232003313 is 3133002322131.

It is not a de Polignac number, because 1312232003313 - 2² = 1312232003309 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1312232003333) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3928470 + ... + 4249392.

It is an arithmetic number, because the mean of its divisors is an integer number (35245157376).

Almost surely, 2^{1312232003313} is an apocalyptic number.

It is an amenable number.

1312232003313 is a deficient number, since it is larger than the sum of its proper divisors (943458068751).

1312232003313 is a wasteful number, since it uses less digits than its factorization.

1312232003313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 321546.

The product of its (nonzero) digits is 1944, while the sum is 24.

Adding to 1312232003313 its reverse (3133002322131), we get a palindrome (4445234325444).

The spelling of 1312232003313 in words is "one trillion, three hundred twelve billion, two hundred thirty-two million, three thousand, three hundred thirteen".