2402166331 has 4 divisors (see below), whose sum is σ = 2402379000. Its totient is φ = 2401953664.

The previous prime is 2402166311. The next prime is 2402166341. The reversal of 2402166331 is 1336612042.

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 2402166331 - 2¹³ = 2402158139 is a prime.

It is a super-2 number, since 2×2402166331² = 11540806163580003122, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2402166331.

It is not an unprimeable number, because it can be changed into a prime (2402166301) 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, 88381 + ... + 112318.

It is an arithmetic number, because the mean of its divisors is an integer number (600594750).

Almost surely, 2^2402166331 is an apocalyptic number.

2402166331 is a deficient number, since it is larger than the sum of its proper divisors (212669).

2402166331 is a wasteful number, since it uses less digits than its factorization.

2402166331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212668.

The product of its (nonzero) digits is 5184, while the sum is 28.

The square root of 2402166331 is about 49011.8998917610. The cubic root of 2402166331 is about 1339.2686160620.

Adding to 2402166331 its reverse (1336612042), we get a palindrome (3738778373).

The spelling of 2402166331 in words is "two billion, four hundred two million, one hundred sixty-six thousand, three hundred thirty-one".