311231101332 has 12 divisors (see below), whose sum is σ = 726205903136. Its totient is φ = 103743700440.

The previous prime is 311231101309. The next prime is 311231101381. The reversal of 311231101332 is 233101132113.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 311231101299 and 311231101308.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12967962544 + ... + 12967962567.

Almost surely, 2^311231101332 is an apocalyptic number.

It is an amenable number.

311231101332 is an abundant number, since it is smaller than the sum of its proper divisors (414974801804).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

311231101332 is a wasteful number, since it uses less digits than its factorization.

311231101332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25935925118 (or 25935925116 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 311231101332 its reverse (233101132113), we get a palindrome (544332233445).

The spelling of 311231101332 in words is "three hundred eleven billion, two hundred thirty-one million, one hundred one thousand, three hundred thirty-two".