2135311502 has 4 divisors (see below), whose sum is σ = 3202967256. Its totient is φ = 1067655750.

The previous prime is 2135311471. The next prime is 2135311517. The reversal of 2135311502 is 2051135312.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 533827874 + ... + 533827877.

It is an arithmetic number, because the mean of its divisors is an integer number (800741814).

Almost surely, 2^2135311502 is an apocalyptic number.

2135311502 is a deficient number, since it is larger than the sum of its proper divisors (1067655754).

2135311502 is a wasteful number, since it uses less digits than its factorization.

2135311502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1067655753.

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

The square root of 2135311502 is about 46209.4308772571. The cubic root of 2135311502 is about 1287.7169525624.

Adding to 2135311502 its reverse (2051135312), we get a palindrome (4186446814).

The spelling of 2135311502 in words is "two billion, one hundred thirty-five million, three hundred eleven thousand, five hundred two".