31322121323130 has 96 divisors (see below), whose sum is σ = 94066862804928. Its totient is φ = 7146580262400.

The previous prime is 31322121323111. The next prime is 31322121323137. The reversal of 31322121323130 is 3132312122313.

31322121323130 is a `hidden beast` number, since 3 + 1 + 3 + 2 + 212 + 132 + 313 + 0 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 31322121323094 and 31322121323103.

It is not an unprimeable number, because it can be changed into a prime (31322121323137) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 930527476 + ... + 930561135.

It is an arithmetic number, because the mean of its divisors is an integer number (979863154218).

Almost surely, 2^{31322121323130} is an apocalyptic number.

31322121323130 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

31322121323130 is an abundant number, since it is smaller than the sum of its proper divisors (62744741481798).

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

31322121323130 is a wasteful number, since it uses less digits than its factorization.

31322121323130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1861088652 (or 1861088649 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 27.

Adding to 31322121323130 its reverse (3132312122313), we get a palindrome (34454433445443).

The spelling of 31322121323130 in words is "thirty-one trillion, three hundred twenty-two billion, one hundred twenty-one million, three hundred twenty-three thousand, one hundred thirty".