2051315315 has 16 divisors (see below), whose sum is σ = 2852858880. Its totient is φ = 1386803040.

The previous prime is 2051315309. The next prime is 2051315341. The reversal of 2051315315 is 5135131502.

It is a happy number.

It is not a de Polignac number, because 2051315315 - 2²⁶ = 1984206451 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 410255 + ... + 415224.

It is an arithmetic number, because the mean of its divisors is an integer number (178303680).

Almost surely, 2^2051315315 is an apocalyptic number.

2051315315 is a deficient number, since it is larger than the sum of its proper divisors (801543565).

2051315315 is an equidigital number, since it uses as much as digits as its factorization.

2051315315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 825562.

The product of its (nonzero) digits is 2250, while the sum is 26.

The square root of 2051315315 is about 45291.4485857982. The cubic root of 2051315315 is about 1270.6057240339.

Adding to 2051315315 its reverse (5135131502), we get a palindrome (7186446817).

The spelling of 2051315315 in words is "two billion, fifty-one million, three hundred fifteen thousand, three hundred fifteen".