2315021550030 has 128 divisors (see below), whose sum is σ = 7067838643200. Its totient is φ = 528207668352.

The previous prime is 2315021550013. The next prime is 2315021550113. The reversal of 2315021550030 is 300551205132.

It is a happy number.

2315021550030 is a `hidden beast` number, since 2 + 3 + 1 + 502 + 155 + 0 + 0 + 3 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2315021549976 and 2315021550003.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 23745 + ... + 2151884.

It is an arithmetic number, because the mean of its divisors is an integer number (55217489400).

Almost surely, 2^{2315021550030} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2315021550030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3533919321600).

2315021550030 is an abundant number, since it is smaller than the sum of its proper divisors (4752817093170).

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

2315021550030 is a wasteful number, since it uses less digits than its factorization.

2315021550030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2176215 (or 2176209 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 27.

Adding to 2315021550030 its reverse (300551205132), we get a palindrome (2615572755162).

The spelling of 2315021550030 in words is "two trillion, three hundred fifteen billion, twenty-one million, five hundred fifty thousand, thirty".