2131052450 has 12 divisors (see below), whose sum is σ = 3963757650. Its totient is φ = 852420960.

The previous prime is 2131052411. The next prime is 2131052477. The reversal of 2131052450 is 542501312.

It can be written as a sum of positive squares in 3 ways, for example, as 1487567761 + 643484689 = 38569^2 + 25367^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 21310475 + ... + 21310574.

Almost surely, 2^2131052450 is an apocalyptic number.

2131052450 is a deficient number, since it is larger than the sum of its proper divisors (1832705200).

2131052450 is a wasteful number, since it uses less digits than its factorization.

2131052450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42621061 (or 42621056 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 2131052450 is about 46163.3236455089. The cubic root of 2131052450 is about 1286.8602307369.

Adding to 2131052450 its reverse (542501312), we get a palindrome (2673553762).

The spelling of 2131052450 in words is "two billion, one hundred thirty-one million, fifty-two thousand, four hundred fifty".