1312302021023 has 16 divisors (see below), whose sum is σ = 1532605838400. Its totient is φ = 1100332187136.

The previous prime is 1312302021013. The next prime is 1312302021049. The reversal of 1312302021023 is 3201202032131.

It is not a de Polignac number, because 1312302021023 - 2²⁴ = 1312285243807 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1312302020986 and 1312302021004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1312302021013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5123048 + ... + 5373101.

It is an arithmetic number, because the mean of its divisors is an integer number (95787864900).

Almost surely, 2^{1312302021023} is an apocalyptic number.

1312302021023 is a deficient number, since it is larger than the sum of its proper divisors (220303817377).

1312302021023 is a wasteful number, since it uses less digits than its factorization.

1312302021023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10496546.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 1312302021023 its reverse (3201202032131), we get a palindrome (4513504053154).

The spelling of 1312302021023 in words is "one trillion, three hundred twelve billion, three hundred two million, twenty-one thousand, twenty-three".