2315521026 has 64 divisors (see below), whose sum is σ = 6333062400. Its totient is φ = 610685568.

The previous prime is 2315521009. The next prime is 2315521031. The reversal of 2315521026 is 6201255132.

It is a happy number.

2315521026 is a `hidden beast` number, since 2 + 3 + 1 + 552 + 102 + 6 = 666.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 230691 + ... + 240518.

It is an arithmetic number, because the mean of its divisors is an integer number (98954100).

Almost surely, 2^2315521026 is an apocalyptic number.

2315521026 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

2315521026 is an abundant number, since it is smaller than the sum of its proper divisors (4017541374).

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

2315521026 is a wasteful number, since it uses less digits than its factorization.

2315521026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 471240 (or 471234 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 2315521026 is about 48119.8610347121. The cubic root of 2315521026 is about 1322.9687211408.

Adding to 2315521026 its reverse (6201255132), we get a palindrome (8516776158).

The spelling of 2315521026 in words is "two billion, three hundred fifteen million, five hundred twenty-one thousand, twenty-six".