2312131124 has 6 divisors (see below), whose sum is σ = 4046229474. Its totient is φ = 1156065560.

The previous prime is 2312131103. The next prime is 2312131141. The reversal of 2312131124 is 4211312132.

It can be written as a sum of positive squares in only one way, i.e., 1306099600 + 1006031524 = 36140^2 + 31718^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2312131096 and 2312131105.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 289016387 + ... + 289016394.

It is an arithmetic number, because the mean of its divisors is an integer number (674371579).

Almost surely, 2^2312131124 is an apocalyptic number.

It is an amenable number.

2312131124 is a deficient number, since it is larger than the sum of its proper divisors (1734098350).

2312131124 is a wasteful number, since it uses less digits than its factorization.

2312131124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 578032785 (or 578032783 counting only the distinct ones).

The product of its digits is 288, while the sum is 20.

The square root of 2312131124 is about 48084.6246111998. The cubic root of 2312131124 is about 1322.3228010531.

Adding to 2312131124 its reverse (4211312132), we get a palindrome (6523443256).

It can be divided in two parts, 23121 and 31124, that added together give a palindrome (54245).

The spelling of 2312131124 in words is "two billion, three hundred twelve million, one hundred thirty-one thousand, one hundred twenty-four".