2231031102132 has 96 divisors (see below), whose sum is σ = 6003706705920. Its totient is φ = 631635039360.

The previous prime is 2231031102073. The next prime is 2231031102149. The reversal of 2231031102132 is 2312011301322.

It is a super-3 number, since 3×2231031102132³ (a number of 38 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

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 = 2231031102099 and 2231031102108.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7299969 + ... + 7599447.

It is an arithmetic number, because the mean of its divisors is an integer number (62538611520).

Almost surely, 2^{2231031102132} 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 2231031102132, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3001853352960).

2231031102132 is an abundant number, since it is smaller than the sum of its proper divisors (3772675603788).

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

2231031102132 is a wasteful number, since it uses less digits than its factorization.

2231031102132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 300301 (or 300299 counting only the distinct ones).

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

Adding to 2231031102132 its reverse (2312011301322), we get a palindrome (4543042403454).

The spelling of 2231031102132 in words is "two trillion, two hundred thirty-one billion, thirty-one million, one hundred two thousand, one hundred thirty-two".