311320103132 has 24 divisors (see below), whose sum is σ = 562685380992. Its totient is φ = 150558220800.

The previous prime is 311320103123. The next prime is 311320103137. The reversal of 311320103132 is 231301023113.

It is a super-2 number, since 2×311320103132² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (311320103137) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 437969 + ... + 902472.

It is an arithmetic number, because the mean of its divisors is an integer number (23445224208).

Almost surely, 2^311320103132 is an apocalyptic number.

It is an amenable number.

311320103132 is a deficient number, since it is larger than the sum of its proper divisors (251365277860).

311320103132 is a wasteful number, since it uses less digits than its factorization.

311320103132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1342349 (or 1342347 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 311320103132 its reverse (231301023113), we get a palindrome (542621126245).

The spelling of 311320103132 in words is "three hundred eleven billion, three hundred twenty million, one hundred three thousand, one hundred thirty-two".