31233110130 has 96 divisors (see below), whose sum is σ = 84816875520. Its totient is φ = 7959177600.

The previous prime is 31233110123. The next prime is 31233110131. The reversal of 31233110130 is 3101133213.

It is a happy number.

31233110130 is a `hidden beast` number, since 312 + 331 + 10 + 13 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (31233110131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2376016 + ... + 2389124.

It is an arithmetic number, because the mean of its divisors is an integer number (883509120).

Almost surely, 2^31233110130 is an apocalyptic number.

31233110130 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 31233110130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42408437760).

31233110130 is an abundant number, since it is smaller than the sum of its proper divisors (53583765390).

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

31233110130 is a wasteful number, since it uses less digits than its factorization.

31233110130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14296 (or 14293 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 18.

Adding to 31233110130 its reverse (3101133213), we get a palindrome (34334243343).

The spelling of 31233110130 in words is "thirty-one billion, two hundred thirty-three million, one hundred ten thousand, one hundred thirty".