311503644506132 has 48 divisors (see below), whose sum is σ = 592556430336192. Its totient is φ = 142425989180160.

The previous prime is 311503644506063. The next prime is 311503644506141. The reversal of 311503644506132 is 231605446305113.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 945732032 + ... + 946061352.

It is an arithmetic number, because the mean of its divisors is an integer number (12344925632004).

Almost surely, 2^{311503644506132} is an apocalyptic number.

It is an amenable number.

311503644506132 is a deficient number, since it is larger than the sum of its proper divisors (281052785830060).

311503644506132 is a wasteful number, since it uses less digits than its factorization.

311503644506132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 499448 (or 499446 counting only the distinct ones).

The product of its (nonzero) digits is 777600, while the sum is 44.

The spelling of 311503644506132 in words is "three hundred eleven trillion, five hundred three billion, six hundred forty-four million, five hundred six thousand, one hundred thirty-two".