2312124321 has 48 divisors (see below), whose sum is σ = 3548349504. Its totient is φ = 1333942272.

The previous prime is 2312124313. The next prime is 2312124343. The reversal of 2312124321 is 1234212132.

It is not a de Polignac number, because 2312124321 - 2³ = 2312124313 is a prime.

It is a super-2 number, since 2×2312124321² = 10691837751519422082, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2312124361) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3938590 + ... + 3939176.

It is an arithmetic number, because the mean of its divisors is an integer number (73923948).

Almost surely, 2^2312124321 is an apocalyptic number.

It is an amenable number.

2312124321 is a deficient number, since it is larger than the sum of its proper divisors (1236225183).

2312124321 is a wasteful number, since it uses less digits than its factorization.

2312124321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1090 (or 1077 counting only the distinct ones).

The product of its digits is 576, while the sum is 21.

The square root of 2312124321 is about 48084.5538712797. The cubic root of 2312124321 is about 1322.3215041585.

Adding to 2312124321 its reverse (1234212132), we get a palindrome (3546336453).

The spelling of 2312124321 in words is "two billion, three hundred twelve million, one hundred twenty-four thousand, three hundred twenty-one".