2312135450 has 24 divisors (see below), whose sum is σ = 4348901340. Its totient is φ = 914460800.

The previous prime is 2312135447. The next prime is 2312135489. The reversal of 2312135450 is 545312132.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 934463761 + 1377671689 = 30569^2 + 37117^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 255341 + ... + 264240.

Almost surely, 2^2312135450 is an apocalyptic number.

2312135450 is a deficient number, since it is larger than the sum of its proper divisors (2036765890).

2312135450 is a wasteful number, since it uses less digits than its factorization.

2312135450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 519682 (or 519677 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 2312135450 is about 48084.6695943728. The cubic root of 2312135450 is about 1322.3236257418.

Adding to 2312135450 its reverse (545312132), we get a palindrome (2857447582).

The spelling of 2312135450 in words is "two billion, three hundred twelve million, one hundred thirty-five thousand, four hundred fifty".