2131403315 has 16 divisors (see below), whose sum is σ = 2663824320. Its totient is φ = 1635661440.

The previous prime is 2131403293. The next prime is 2131403363. The reversal of 2131403315 is 5133041312.

It is not a de Polignac number, because 2131403315 - 2¹⁰ = 2131402291 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, 68000 + ... + 94269.

It is an arithmetic number, because the mean of its divisors is an integer number (166489020).

Almost surely, 2^2131403315 is an apocalyptic number.

2131403315 is a deficient number, since it is larger than the sum of its proper divisors (532421005).

2131403315 is a wasteful number, since it uses less digits than its factorization.

2131403315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162382.

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 2131403315 is about 46167.1237462331. The cubic root of 2131403315 is about 1286.9308514666.

Adding to 2131403315 its reverse (5133041312), we get a palindrome (7264444627).

The spelling of 2131403315 in words is "two billion, one hundred thirty-one million, four hundred three thousand, three hundred fifteen".