1310021230312 has 16 divisors (see below), whose sum is σ = 2502634898340. Its totient is φ = 642651924096.

The previous prime is 1310021230303. The next prime is 1310021230321. The reversal of 1310021230312 is 2130321200131.

It is an interprime number because it is at equal distance from previous prime (1310021230303) and next prime (1310021230321).

It can be written as a sum of positive squares in 2 ways, for example, as 1301912948196 + 8108282116 = 1141014^2 + 90046^2 .

It is a super-2 number, since 2×1310021230312² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1310021230312.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1544835933 + ... + 1544836780.

Almost surely, 2^{1310021230312} is an apocalyptic number.

It is an amenable number.

1310021230312 is a deficient number, since it is larger than the sum of its proper divisors (1192613668028).

1310021230312 is a wasteful number, since it uses less digits than its factorization.

1310021230312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3089672772 (or 3089672768 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 1310021230312 its reverse (2130321200131), we get a palindrome (3440342430443).

The spelling of 1310021230312 in words is "one trillion, three hundred ten billion, twenty-one million, two hundred thirty thousand, three hundred twelve".