31204302105000 has 160 divisors (see below), whose sum is σ = 97632938208960. Its totient is φ = 8308283520000.

The previous prime is 31204302104959. The next prime is 31204302105019. The reversal of 31204302105000 is 50120340213.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 8097360 + ... + 11312640.

It is an arithmetic number, because the mean of its divisors is an integer number (610205863806).

Almost surely, 2^{31204302105000} is an apocalyptic number.

31204302105000 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 31204302105000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48816469104480).

31204302105000 is an abundant number, since it is smaller than the sum of its proper divisors (66428636103960).

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

31204302105000 is a wasteful number, since it uses less digits than its factorization.

31204302105000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3215957 (or 3215938 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 21.

Adding to 31204302105000 its reverse (50120340213), we get a palindrome (31254422445213).

The spelling of 31204302105000 in words is "thirty-one trillion, two hundred four billion, three hundred two million, one hundred five thousand".