2311321130 has 16 divisors (see below), whose sum is σ = 4183366824. Its totient is φ = 919419840.

The previous prime is 2311321087. The next prime is 2311321151. The reversal of 2311321130 is 311231132.

2311321130 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 1191147169 + 1120173961 = 34513^2 + 33469^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2311321099 and 2311321108.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 636677 + ... + 640296.

Almost surely, 2^2311321130 is an apocalyptic number.

2311321130 is a deficient number, since it is larger than the sum of its proper divisors (1872045694).

2311321130 is a wasteful number, since it uses less digits than its factorization.

2311321130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1277161.

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 2311321130 is about 48076.2012850433. The cubic root of 2311321130 is about 1322.1683694089.

Adding to 2311321130 its reverse (311231132), we get a palindrome (2622552262).

The spelling of 2311321130 in words is "two billion, three hundred eleven million, three hundred twenty-one thousand, one hundred thirty".