311232104132 has 24 divisors (see below), whose sum is σ = 548814399000. Its totient is φ = 154429906176.

The previous prime is 311232104069. The next prime is 311232104143. The reversal of 311232104132 is 231401232113.

It can be written as a sum of positive squares in 4 ways, for example, as 20717572096 + 290514532036 = 143936^2 + 538994^2 .

It is a junction number, because it is equal to n+sod(n) for n = 311232104098 and 311232104107.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 412544 + ... + 890312.

It is an arithmetic number, because the mean of its divisors is an integer number (22867266625).

Almost surely, 2^311232104132 is an apocalyptic number.

It is an amenable number.

311232104132 is a deficient number, since it is larger than the sum of its proper divisors (237582294868).

311232104132 is a wasteful number, since it uses less digits than its factorization.

311232104132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 479015 (or 479013 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 311232104132 its reverse (231401232113), we get a palindrome (542633336245).

The spelling of 311232104132 in words is "three hundred eleven billion, two hundred thirty-two million, one hundred four thousand, one hundred thirty-two".