2312002451 has 4 divisors (see below), whose sum is σ = 2522184504. Its totient is φ = 2101820400.

The previous prime is 2312002421. The next prime is 2312002477. The reversal of 2312002451 is 1542002132.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2312002451 - 2¹⁴ = 2311986067 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2312002421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 105091010 + ... + 105091031.

It is an arithmetic number, because the mean of its divisors is an integer number (630546126).

Almost surely, 2^2312002451 is an apocalyptic number.

2312002451 is a deficient number, since it is larger than the sum of its proper divisors (210182053).

2312002451 is a wasteful number, since it uses less digits than its factorization.

2312002451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210182052.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 2312002451 is about 48083.2866077185. The cubic root of 2312002451 is about 1322.2982709567.

Adding to 2312002451 its reverse (1542002132), we get a palindrome (3854004583).

The spelling of 2312002451 in words is "two billion, three hundred twelve million, two thousand, four hundred fifty-one".