2135311250 has 30 divisors (see below), whose sum is σ = 4005492051. Its totient is φ = 853471000.

The previous prime is 2135311249. The next prime is 2135311253. The reversal of 2135311250 is 521135312.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 493683961 + 1641627289 = 22219^2 + 40517^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=32675.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2135311253) by changing a digit.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 1633097 + ... + 1634403.

Almost surely, 2^2135311250 is an apocalyptic number.

2135311250 is a deficient number, since it is larger than the sum of its proper divisors (1870180801).

2135311250 is an frugal number, since it uses more digits than its factorization.

2135311250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2636 (or 1314 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 23.

The square root of 2135311250 is about 46209.4281505409. The cubic root of 2135311250 is about 1287.7169019055.

Adding to 2135311250 its reverse (521135312), we get a palindrome (2656446562).

The spelling of 2135311250 in words is "two billion, one hundred thirty-five million, three hundred eleven thousand, two hundred fifty".