311232023132 has 12 divisors (see below), whose sum is σ = 546027972840. Its totient is φ = 155224030896.

The previous prime is 311232023129. The next prime is 311232023209. The reversal of 311232023132 is 231320232113.

It is a junction number, because it is equal to n+sod(n) for n = 311232023098 and 311232023107.

It is a congruent number.

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, 97993382 + ... + 97996557.

It is an arithmetic number, because the mean of its divisors is an integer number (45502331070).

Almost surely, 2^311232023132 is an apocalyptic number.

It is an amenable number.

311232023132 is a deficient number, since it is larger than the sum of its proper divisors (234795949708).

311232023132 is a wasteful number, since it uses less digits than its factorization.

311232023132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195990340 (or 195990338 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 311232023132 its reverse (231320232113), we get a palindrome (542552255245).

The spelling of 311232023132 in words is "three hundred eleven billion, two hundred thirty-two million, twenty-three thousand, one hundred thirty-two".