311452502234512 has 20 divisors (see below), whose sum is σ = 603443306693836. Its totient is φ = 155725197281280.

The previous prime is 311452502234399. The next prime is 311452502234563. The reversal of 311452502234512 is 215432205254113.

It can be written as a sum of positive squares in 2 ways, for example, as 182085445161216 + 129367057073296 = 13493904^2 + 11373964^2 .

It is a super-2 number, since 2×311452502234512² (a number of 30 digits) contains 22 as substring.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 63423789 + ... + 68157772.

Almost surely, 2^{311452502234512} is an apocalyptic number.

It is an amenable number.

311452502234512 is a deficient number, since it is larger than the sum of its proper divisors (291990804459324).

311452502234512 is a wasteful number, since it uses less digits than its factorization.

311452502234512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131729506 (or 131729500 counting only the distinct ones).

The product of its (nonzero) digits is 288000, while the sum is 40.

Adding to 311452502234512 its reverse (215432205254113), we get a palindrome (526884707488625).

The spelling of 311452502234512 in words is "three hundred eleven trillion, four hundred fifty-two billion, five hundred two million, two hundred thirty-four thousand, five hundred twelve".