31443411132 has 108 divisors (see below), whose sum is σ = 92624051520. Its totient is φ = 8967756672.

The previous prime is 31443411127. The next prime is 31443411137. The reversal of 31443411132 is 23111434413.

31443411132 is a `hidden beast` number, since 314 + 4 + 341 + 1 + 1 + 3 + 2 = 666.

It is an interprime number because it is at equal distance from previous prime (31443411127) and next prime (31443411137).

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 31443411096 and 31443411105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31443411137) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 988053 + ... + 1019379.

Almost surely, 2^31443411132 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 31443411132, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46312025760).

31443411132 is an abundant number, since it is smaller than the sum of its proper divisors (61180640388).

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

31443411132 is a wasteful number, since it uses less digits than its factorization.

31443411132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31920 (or 31908 counting only the distinct ones).

The product of its digits is 3456, while the sum is 27.

Adding to 31443411132 its reverse (23111434413), we get a palindrome (54554845545).

The spelling of 31443411132 in words is "thirty-one billion, four hundred forty-three million, four hundred eleven thousand, one hundred thirty-two".