31302203130000 has 1200 divisors, whose sum is σ = 123451430346816. Its totient is φ = 7334945280000.

The previous prime is 31302203129987. The next prime is 31302203130053. The reversal of 31302203130000 is 3130220313.

31302203130000 is a `hidden beast` number, since 3 + 130 + 220 + 313 + 0 + 0 + 0 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (1200).

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

It is an unprimeable number.

It is a polite number, since it can be written in 239 ways as a sum of consecutive naturals, for example, 5750907279 + ... + 5750912721.

Almost surely, 2^{31302203130000} is an apocalyptic number.

31302203130000 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 31302203130000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61725715173408).

31302203130000 is an abundant number, since it is smaller than the sum of its proper divisors (92149227216816).

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

31302203130000 is a wasteful number, since it uses less digits than its factorization.

31302203130000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5682 (or 5658 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

Adding to 31302203130000 its reverse (3130220313), we get a palindrome (31305333350313).

31302203130000 divided by its reverse (3130220313) gives a 4-th power (10000 = 10⁴).

It can be divided in two parts, 31302 and 203130000, that added together give a palindrome (203161302).

The spelling of 31302203130000 in words is "thirty-one trillion, three hundred two billion, two hundred three million, one hundred thirty thousand".