2312113021 has 8 divisors (see below), whose sum is σ = 2512313600. Its totient is φ = 2119763520.

The previous prime is 2312113003. The next prime is 2312113039. The reversal of 2312113021 is 1203112132.

It is an interprime number because it is at equal distance from previous prime (2312113003) and next prime (2312113039).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2312113021 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2312112986 and 2312113004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2312113121) 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, 1962156 + ... + 1963333.

It is an arithmetic number, because the mean of its divisors is an integer number (314039200).

Almost surely, 2^2312113021 is an apocalyptic number.

It is an amenable number.

2312113021 is a deficient number, since it is larger than the sum of its proper divisors (200200579).

2312113021 is a wasteful number, since it uses less digits than its factorization.

2312113021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3925539.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 2312113021 is about 48084.4363697860. The cubic root of 2312113021 is about 1322.3193499697.

Adding to 2312113021 its reverse (1203112132), we get a palindrome (3515225153).

The spelling of 2312113021 in words is "two billion, three hundred twelve million, one hundred thirteen thousand, twenty-one".