311232102132 has 192 divisors, whose sum is σ = 858193731584. Its totient is φ = 85932887040.

The previous prime is 311232102127. The next prime is 311232102199. The reversal of 311232102132 is 231201232113.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 311232102099 and 311232102108.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 450407907 + ... + 450408597.

Almost surely, 2^311232102132 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 311232102132, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (429096865792).

311232102132 is an abundant number, since it is smaller than the sum of its proper divisors (546961629452).

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

311232102132 is a wasteful number, since it uses less digits than its factorization.

311232102132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1518 (or 1516 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 311232102132 its reverse (231201232113), we get a palindrome (542433334245).

The spelling of 311232102132 in words is "three hundred eleven billion, two hundred thirty-two million, one hundred two thousand, one hundred thirty-two".