2131131130 has 16 divisors (see below), whose sum is σ = 3841520904. Its totient is φ = 851233600.

The previous prime is 2131131061. The next prime is 2131131131. The reversal of 2131131130 is 311311312.

It can be written as a sum of positive squares in 4 ways, for example, as 1713214881 + 417916249 = 41391^2 + 20443^2 .

It is not an unprimeable number, because it can be changed into a prime (2131131131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 144997 + ... + 159016.

Almost surely, 2^2131131130 is an apocalyptic number.

2131131130 is a deficient number, since it is larger than the sum of its proper divisors (1710389774).

2131131130 is a wasteful number, since it uses less digits than its factorization.

2131131130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 304721.

The product of its (nonzero) digits is 54, while the sum is 16.

The square root of 2131131130 is about 46164.1758293160. The cubic root of 2131131130 is about 1286.8760678126.

Adding to 2131131130 its reverse (311311312), we get a palindrome (2442442442).

It can be divided in two parts, 21311 and 31130, that added together give a square (52441 = 229²).

The spelling of 2131131130 in words is "two billion, one hundred thirty-one million, one hundred thirty-one thousand, one hundred thirty".