31300213023120 has 320 divisors, whose sum is σ = 105343651146240. Its totient is φ = 7658417455104.

The previous prime is 31300213023113. The next prime is 31300213023133. The reversal of 31300213023120 is 2132031200313.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 33488701 + ... + 34410659.

It is an arithmetic number, because the mean of its divisors is an integer number (329198909832).

Almost surely, 2^{31300213023120} is an apocalyptic number.

31300213023120 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 31300213023120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52671825573120).

31300213023120 is an abundant number, since it is smaller than the sum of its proper divisors (74043438123120).

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

31300213023120 is a wasteful number, since it uses less digits than its factorization.

31300213023120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 922202 (or 922196 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 31300213023120 its reverse (2132031200313), we get a palindrome (33432244223433).

The spelling of 31300213023120 in words is "thirty-one trillion, three hundred billion, two hundred thirteen million, twenty-three thousand, one hundred twenty".