2131012522 has 8 divisors (see below), whose sum is σ = 3208059396. Its totient is φ = 1061659392.

The previous prime is 2131012517. The next prime is 2131012523. The reversal of 2131012522 is 2252101312.

It can be written as a sum of positive squares in 2 ways, for example, as 1654943761 + 476068761 = 40681^2 + 21819^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 2131012522.

It is not an unprimeable number, because it can be changed into a prime (2131012523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1922743 + ... + 1923850.

Almost surely, 2^2131012522 is an apocalyptic number.

2131012522 is a deficient number, since it is larger than the sum of its proper divisors (1077046874).

2131012522 is a wasteful number, since it uses less digits than its factorization.

2131012522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3846872.

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 2131012522 is about 46162.8911789546. The cubic root of 2131012522 is about 1286.8521936946.

Adding to 2131012522 its reverse (2252101312), we get a palindrome (4383113834).

The spelling of 2131012522 in words is "two billion, one hundred thirty-one million, twelve thousand, five hundred twenty-two".