1311032330312 has 16 divisors (see below), whose sum is σ = 2463072675840. Its totient is φ = 654212950096.

The previous prime is 1311032330291. The next prime is 1311032330359. The reversal of 1311032330312 is 2130332301131.

It is a super-2 number, since 2×1311032330312² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 162897608 + ... + 162905655.

It is an arithmetic number, because the mean of its divisors is an integer number (153942042240).

Almost surely, 2^{1311032330312} is an apocalyptic number.

It is an amenable number.

1311032330312 is a deficient number, since it is larger than the sum of its proper divisors (1152040345528).

1311032330312 is a wasteful number, since it uses less digits than its factorization.

1311032330312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 325803772 (or 325803768 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 23.

Adding to 1311032330312 its reverse (2130332301131), we get a palindrome (3441364631443).

The spelling of 1311032330312 in words is "one trillion, three hundred eleven billion, thirty-two million, three hundred thirty thousand, three hundred twelve".