2311123130 has 32 divisors (see below), whose sum is σ = 4225074048. Its totient is φ = 910033600.

The previous prime is 2311123103. The next prime is 2311123169. The reversal of 2311123130 is 313211132.

It is a junction number, because it is equal to n+sod(n) for n = 2311123099 and 2311123108.

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, 546725 + ... + 550935.

It is an arithmetic number, because the mean of its divisors is an integer number (132033564).

Almost surely, 2^2311123130 is an apocalyptic number.

2311123130 is a deficient number, since it is larger than the sum of its proper divisors (1913950918).

2311123130 is a wasteful number, since it uses less digits than its factorization.

2311123130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5062.

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

The square root of 2311123130 is about 48074.1420100245. The cubic root of 2311123130 is about 1322.1306136842.

Adding to 2311123130 its reverse (313211132), we get a palindrome (2624334262).

The spelling of 2311123130 in words is "two billion, three hundred eleven million, one hundred twenty-three thousand, one hundred thirty".