2131101320 has 16 divisors (see below), whose sum is σ = 4794978060. Its totient is φ = 852440512.

The previous prime is 2131101263. The next prime is 2131101359. The reversal of 2131101320 is 231011312.

It can be written as a sum of positive squares in 2 ways, for example, as 1881650884 + 249450436 = 43378^2 + 15794^2 .

It is a super-2 number, since 2×2131101320² = 9083185672211484800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2131101295 and 2131101304.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26638727 + ... + 26638806.

Almost surely, 2^2131101320 is an apocalyptic number.

2131101320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2131101320 is an abundant number, since it is smaller than the sum of its proper divisors (2663876740).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2131101320 is a wasteful number, since it uses less digits than its factorization.

2131101320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53277544 (or 53277540 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 2131101320 is about 46163.8529587815. The cubic root of 2131101320 is about 1286.8700675633.

Adding to 2131101320 its reverse (231011312), we get a palindrome (2362112632).

The spelling of 2131101320 in words is "two billion, one hundred thirty-one million, one hundred one thousand, three hundred twenty".